1348 samples of this type
Natural science essays study and describe natural phenomena. Based on experiments and observations, scientists discover laws and propose theories. They also use mathematics and logic to make correct conclusions, so they are capable of predicting some events.
Natural science is a broad term that includes several distinct disciplines. Some specialize in tiny objects, like microorganisms, elements, or atoms. Others explore the infinite space and ephemeral processes of life.
A more academic way to differentiate natural science is not based on the size of an object.
We will provide you with a range of great topics for your paper. Below, you will find writing tips and natural science essay examples!
Introduction Although there are substantial differences between male and female bodies, their reproductive systems have similarities. Understanding how these processes resemble one another is important in ascertaining the interconnected biology of men and women. The most important aspect of reproduction is that neither gender is self-reliant and needs the opposite...
Introduction Biology is a scientific subject that studies living organisms relative to their interactions with each other and their immediate environments (Phelan, p. 1). On the other hand, life implies cells or a state of energy. The concept of life as cells implies that a life form can be made...
Microbes are ubiquitous. Thus, they live everywhere and can be found in different environments, like water, air, and animals. In addition, they can live in extreme temperatures, like high heat, humidity, or salt concentration. There is no place on Earth where no microbes would exist; they have adapted to live...
Introduction Man-made or artificial elements are those that do not occur naturally on Earth. Instead, these elements are created by humans for various purposes. They can be as important as natural ones depending on their use. Additionally, humans can determine a need for an element that is either scarce or...
Background and Theory of the Experiment Recrystallization is a standard method in organic chemistry for separating and purifying solid organic molecules, depending on how soluble they are in various solvents at various temperatures. The desired chemical can preferentially crystallize by dissolving an impure solid in a hot solvent, chilling the...
Introduction Agricultural technology refers to the utilization of organisms and living systems in the development of products for human use incorporating techniques such as genetic engineering, molecular diagnostics, tissue culture, and molecular markers. Biotechnology is widely applied in agriculture to propagate desired traits in order to increase productivity. This is...
Location Japan is located in Eastern Asia, in the Pacific Ocean. Its latitude is approximately 36°N, and its longitude is approximately 138°E. It is situated in the northern and eastern hemispheres. It is an island country with four main islands (Hokkaido, Honshu, Shikoku, and Kyushu) and thousands of smaller islands....
Background Thin-layer chromatography (TLC) is a crucial laboratory technique for a cost-effective, fast, and efficient means to identify and separate components in complex mixtures. The TLC method is an analytical tool for qualitatively identifying the composition and presence of sugars in foods, including mono-, di-, and oligosaccharides (Márquez et al.,...
The Generation of ATP in Metabolism ATP (adenosine triphosphate) is the energy foundation of cells. It is essential for various cellular processes. In aerobic organisms, it is produced during metabolism through cellular respiration. During glycolysis, glucose is broken down to produce ATP and NADH. Pyruvate then enters the citric acid...
The Aim of the Experiment The objectives of the experiment were to study chemical trends of elements in period 3 of the periodic table by reacting with oxygen and chlorine and consequently examining the oxides and chlorides formed. Introduction Chemists developed and organized the periodic table to demonstrate the recurring...
The Cahokia Native American tribe and region are one of the most prosperous and extensive pre-Columbian civilizations on the continent. Recent archaeological discoveries have uncovered significant revelations regarding the sheer size of Cahokia and its numerous cultural and anthropological features. For its time, Cahokia was a complex and cosmopolitan city,...
Coherent scattering occurs in the event of low radiation energy, limiting photon-electron interaction. The process happens when a photon passes a medium, but it can neither attract the electron nor cause power deposition owing to insufficient strength, although it changes direction, resulting in a systematic dispersion (Niederhuber et al., 2019)....
Theoretical Background The electrical conductivity of a solution corresponds to the solution’s ability — or, more precisely, the dissolved substance — to conduct an electric current. This phenomenon’s theoretical basis lies in the substance’s dissociation plane when dissolved in liquid media. For most substances, water molecules cause intra- and intermolecular...
Introduction Studying the physicochemical properties of samples in the laboratory is necessary to better understand their nature and potential behavior when interacting with other substances. One such property is the force that conditions the intermolecular interaction of a sample. In general, this force should be understood as a characteristic of...
Introduction Nearly 42 million acres of irrigated agriculture in the United States are at risk from salt buildup, which either already exists or could do so. It will be necessary to irrigate much of the undeveloped land in the world, which is located in arid and semiarid areas. Right now,...
Introduction A double-stranded DNA molecule copies itself to create two identical DNA molecules through the intricate process of DNA replication. All organisms follow this essential process, which guarantees the preservation of genetic information. A method or technique may instantly replicate billions of items—roughly 100 billion—if certain criteria are met. Protein...
Organisms grow and reproduce as a result of cell division. Eukaryotic cells are cells that have a nucleus enclosed within the nuclear envelope. The production of new cells in eukaryotic cells happens because of mitosis and meiosis (MacGregor, Adams, & Gilbert, 2019). The two processes involved the division of a...
Introduction In this paper, the structures, systems, and organs of the skeletal and muscular systems and the digestive system will be discussed. This paper will review the main components of these systems and discuss how they aid the functioning of the human body. Additionally, for each system, two common diseases...
Objective To understand different types of chemical reactions, including precipitation, redox reactions, decomposition, and neutralization reactions, in the context of the copper cycle. The purpose of the experiment is to track a series of reactions involving copper, nitric acid, sodium hydroxide, magnesium, and sulfuric acid. By observing and analyzing these...
Introduction The research on human body in view of the physical processes is as old as notions regarding the contemporary medicine. Naturally, the human body is a complex and an astonishing illustration of how physics applies itself in the daily living. In fact, the human skeletal muscles and joints are...
I am a passionate, young, and ambitious neuroscience and molecular biology learner. Since middle school, I have been actively studying these topics and working on small projects independently during my free time. As a freshman, I was admitted into a 4-week Research in the Biological Sciences (RIBS) program at the...
The sagittal crest is marked on the gorilla skull with red color. The sagittal crest is made of two parietal bones. Zygomatic bones of gorillas look wider and more robust than the human ones. Gorillas have a larger zygomatic arch that has a bigger surface, more volume, and works as...
Biogenesis is a term that was coined by British biologist Thomas Henry Huxley in 1870, describing the principle that all living organisms derive from organisms similar to themselves. The principle has been introduced in contradiction with the concept of spontaneous generation. Spontaneous generation, abiogenesis, refers to the idea that living...
Materials and Methods A stock solution of starch was prepared by mixing 1ml of starch with 2.5ml of hydrogen peroxide (H2O2) to form 3.5ml of the stock solution, which is enough for the experiment. Next, six test tubes were arranged in their rack and labeled one to six. To prepare...
Introduction to Osmosis Osmosis is one of the important ways that plants and animals achieve homeostasis (Djelti 48). It is the process of moving water through a semipermeable membrane from an area of low osmolarity to an area of high osmolarity. Osmosis plays a vital role in the body of...
Background One of the central tasks of microbiological analysis is the identification of unknown microorganisms. The application of this need, namely the ability to qualitatively identify pathogens to select a plan for further clinical risk management activities, dictates the need for in-depth, detailed, and correct investigation of the strain and...
Salmonella was discovered in the XIX century and was named after an American veterinarian Daniel Elmer Salmon who discovered it. Salmonella is divided into six subspecies, and salmonella enterica is one of them. Salmonella enterica is a bacterium of the genus Salmonella. As a rule, it is contained in raw...
Introduction Living cells undergo a process called transpiration, and produce byproducts that are harmful to the cell. One of the byproducts of cell metabolism is hydrogen peroxide. Excess hydrogen peroxide is toxic to living cell. Therefore, it must be disintegrated into less toxic substances so that it does not damage...
The anthropological perspective is an incredibly complex and vast approach to our human civilization due to its holistic nature. The variety of research methods and subfields within anthropology are unique, as they often rely on scientific and humanistic disciplines to inquire about human nature. As such, the anthropological perspective reflects...
The human body constitutes of cells. The cells vary according to their function but they work in harmony. Cells with similar characteristics make up bigger units called tissues which work in a specialized way. The human body is made up of different tissues that is muscle, nerve, epithelial and connective...
Paper Outline Introduction The male or female reproductive systems form the human body’s reproductive system. During reproduction, the male sperms (gametes) are synthesized by the male reproductive system for the eventual fertilization of the female ova (oocytes). On the other hand, the female reproduction system plays an important role in...
General Information Ambulocetus survived as a transitional form of cetaceans between terrestrial and aquatic species, so this creature was characterized by going out into shallow water searching for food. Ambulocetus’ appearance was similar to either dolphins or crocodiles, with anatomical structure indicating that the fossil form belonged to cetaceans. Ambulocetus...
Introduction Evolution can be defined, in general terms, as any process of change over time (Evolution-Def. 2010, par.1). Evolution is a theory that was first developed by Charles Darwin, who is considered the father of evolution. Development of explanations as regards to the existence of man started to emerge long...
Abstract Human cloning as an assisted reproductive tool has numerous harmful effects. The goals of human cloning include creating human beings or developing human tissues for empirical studies. The practice is now the subject of discourse with critical implications on moral, economic, and political issues among others. This report evaluates...
Bean Experiment: Project Plan & Problem Statement This paper is an assessment concern with a dry mass of seeds. The assessment will deal with various ways of performing adaptable procedures of evaluating and monitoring changes in the dry mass of bean seeds during germination. It is an examination relating to...
Background Cellular respiratory is a set of processes and reactions that occur inside the cells of a living organism. They aim at converting chemical energy from oxygen molecules to energy that can be used by body tissues (Budin 1186). Additionally, these reactions convert nutrients into adenosine triphosphate (ATP). The cellular...
Introduction There are a lot of myths and stereotypes about the minor role of bats on our planet. It is commonly argued by many people that bats are pests, the existence of which does not make any sense. However, such kind of assumptions are inherently wrong and downplay the importance...
Introduction A large percentage of people have continuously ignored scientific attests on the severity of global warming. According to research, the large-scale intervention will effectively counteract global warming effects. Environment advocates accentuate public to participate in all initiatives to counteract environmental degradation due to global warming. Dire messages about the...
Dimedone is a well known organic chemistry compound that is yellow and solid in appearance, stable but sensitive to light un-compared to other oxidizing agents. Dimedone has a molecular weight of 140.1797g/mol and has a melting point of between 147–150oC (420-423oK). Dimedone molecular formula is (CH3)2C6H6(=O)2. This yellow crystalline substance...
Introduction Archaeological excavations play a vital role in modern realities by helping people understand their history and acquire new facts about the past. One prominent illustration of excavations’ necessity is the Siberian Ice Maiden, also known as the Ukok Princess, found in the Altai regions of Russia. Although the body...
Differences between the geographical location of Arizona and Texas Comparing two states, it is necessary to take a look at their geographical location, history of the state, demographic situation, economy, culture, education, and many other peculiarities. Although Arizona and Texas have differences such as nicknames, different touristic places to visit,...
Sustainable agriculture a system which combines animal and plant production in a given area. Sustainable agriculture is essential in that it ensures the earth can be reused and renewed by future generations. It focuses on using natural water, soil, and pest management instead of synthetic chemicals and petroleum-based fertilizers (Raliya...
Musculoskeletal System Anatomy The musculoskeletal system provides humans with the ability to move and perform different tasks using their skeletal and muscular systems. Therefore, the body gets its form, movement capability, and overall stability from the strength of its muscular and skeletal formations. The musculoskeletal system (also known as the...
In this soap making process writing example, you will find a detailed explanation of soap manufacturing process. Check it out if you need to write a soap essay. Abstract Making soap at home is a very rewarding experience. It is also a way of reducing home expenses since it is...
This Italy culture essay sample explores different aspects of Italian culture, including religion, art, language, and food. Check out our Italian culture essay to get some inspiration for your assignment! Many scholars consider Italy to be the birthplace of human culture and the cradle of civilization as we know it....
Introduction India has the world’s second largest population. Population explosion presents he problem of food insecurity to India. Food is considered one of the important element in Indian’s culture. Being a diverse culture, different Indian communities have different meals. Some food choices are influenced by religious practices Indians rely more...
There are two main types of mutualism: symbiotic and non-symbiotic. In symbiotic mutualism, both parties involved benefit from the relationship. This type of mutualism is often seen in nature, where two species help each other exist. For example, many plants have a mutualistic relationship with bees; the bees collect nectar...
Introduction Spectrophotometry is an extensively and incredibly useful biochemical assay. It is used to verify an absorbing species identification or estimate the amount of a certain analyte in solutions (Akash and Rehman, 2020). When light is transmitted through a solution, some of the incident light is absorbed by the solution’s...
Reproductive System Anatomy The reproductive system in both females and males is located within the lower part of the body. While the female system is situated within the pelvis, the male system resides outside the pelvis. The systems contain both internal and external organs. Internal male organs include the duct...
Introduction Cloning is the creation of an embryo by the method of human somatic cell nuclear transfer. This procedure involves implanting DNA cells from an organism into an egg whose DNA nucleus has been removed then chemically treated so that the egg begins to behave as though fertilization has occurred....
Making Observations and Asking Questions I visited WildCam Lab’s Data page, and the color-coding of the map according to plant type and natural features is described in a legend in the lower left corner of the screen. The orange dots show the locations of the cameras on the map. Any...
Evolution refers to the process that causes changes in allele occurrences in a population over a period. Conferring to Charles Darwin’s theory of evolution, the event takes place by natural selection (Ashraf & Sarfraz, 2016). Thus, evolution enables organisms to acquire characteristics that best suit their environment, increasing their chances...
Organelles Organelles are structures in a cell that have specific functions such as energy production and controlling growth. These cellular structures are embedded in the cytoplasm of both prokaryotic and eukaryotic organisms, they enable cellular processes to take place normally. Animal and plant cells have the same types of organelles....
The Scope and Importance of Botany in Modern Science Botany – the science of living plants – is integral to biology. It studies many different processes with plants and contributes to their development and dissemination. This includes studying other plant species, their anatomy, physiology, and biology, as well as their...
Microorganism control is critical for preventing disease transmission and infection, stopping deterioration and spoilage, and avoiding undesirable microbial contamination. There are numerous methods employed in countering the growth of microorganisms today. The techniques are divided into two categories: physical control and chemical control. Osmotic pressure, radiation, desiccation, high or low...
All living beings, including humans, evolved to live in changing external environments and interact with them. Sensory reception, which consists of five senses: sight, hearing, smell, taste, and touch, is a complete system that enables one to survive effectively (Pfaffmann, 2017). Pain is usually attributed to touch, as it is...
Introduction The concepts of osmosis, diffusion, and active transport concern the movement of molecules and are some of the foundational terminologies of the biology curriculum. Nevertheless, the terms are frequently confused and misunderstood. According to the research by Reinke, Kynn, and Parkinson (2019), most first-year biology students have a large...
The Aim of the Experiment This paper presents an experiment that was conducted to determine the activity of reaction of period three elements with Oxygen, Chlorine the reactions of the third row Chlorides and Oxides. The main aim of this experiment was to determine the optimum pH level. Introduction List...
Aim The aim of this experiment was to identify critically the trend in the chemical properties of elements and compounds of period 3. The students were required to specifically study how the chemical properties of the oxides and chlorides of period 3 elements relate to each other and how the...
Executive Summary Flame test and chemical fingerprinting are analytical procedures that are used to identify metals or metalloid compounds. When subjected to heat, metals emit specific electromagnetic wavelengths, thereby, a particular color of light. The results of this experiment show that lithium gives off a red flame, sodium an orange...
Introduction England is a country that is located in the United Kingdom. It is bordered by Scotland, Wales, the Irish Sea, and the Celtic Sea and has many islands that are approximately 100. The main spoken language is English. It is one of the countries in which the industrial revolution...
Introduction During the 16-17th centuries, when the Europeans started to arrive in the New World, they discovered a society of Native Americans, or Indians, which was fundamentally different from their own. Considering themselves to be the champions of the civilized world, the Europeans thought that the Indian culture and society...
Experimental Procedure The main objective of this experiment was to determine the exact amount of water content in a specific hydrate. Every group experimented using the necessary equipment, including two crucibles with lids, a hot plate, tongs, wire gauze, and a balance. Two compounds were used for analysis: cobalt (II)...
Biogeochemical cycles are the transportations and transformations of chemicals in ecosystems (UCAR, n.d.). Some chemicals can be a part of a plant or an animal one day and then be a part of a river the next day. Biogeochemical cycles are of extreme importance for the planet, as they help...
Introduction This entire laboratory project consisted of four parts, in each of which the enzymatic activity of Alkaline Phosphatase was sequentially prepared or studied. Table 1 shows the absorbance data for each of the six test tubes: as can be seen, the difference between them was the concentration of the...
Teacup dogs are the name for the most miniature breeds of dogs created by humans. They are the result of selective breeding or genetic modifications occurring within laboratories. Teacup dogs were created to serve as a decorative breed; their primary purpose is to perform on various shows or be human...
Introduction The goal of an experiment is to observe its process and results for further analysis. In biology, this type of evidence is vital for knowledge generation, and researchers must understand how to obtain and use it. The data acquired from a practical must be documented in a clear and...
Introduction When an acid and a base are reacted, a neutralization reaction occurs whereby a solution and a gas are formed. This experiment tests the effect of temperature, concentration, and surface area on the rate of reaction. Temperature is defined as the degree of hotness or coldness of a substance,...
Cognitive Revolution refers to the period (70,000 years ago) when Homo sapiens developed cognitive abilities that surpassed other animals during that era. The cognitive mutation enabled them to acquire better linguistic skills, making it possible to ingest, store and share information about the surrounding environment (Harari, 2015). The change in...
Introduction The nervous system (and the human brain as its core element) is still one of the most under-researched systems. The development and functioning of the brain have been studied for centuries using diverse approaches. Behavioral, cognitive, and developmental approaches have enabled researchers to explain and describe diverse mechanisms and...
Have you ever asked yourself about how life appeared on Earth? This question has always been at the center of attention. For many years, there have been debates about whether life was created by God, as described in the Bible, or if it has a more scientific explanation, according to...
Introduction The giraffe’s long neck is a phenomenon that has perplexed researchers for a long time. It is also classified as the tallest mammal. The unique feature that distinguishes this animal from other animals is the long neck. People are not only perplexed by the way the giraffe is able...
Background Prontosil (2,4-diaminoazobenzene-4’-sulfonamide) is a potential “sulfa drug” used in chemotherapy of especially “cocci infections” (streptococci, gonococci and pneumococci). In literature there are several methods to synthesize this compound and invariably the starting material is sulfanilamide (p-aminobenzenesulfonamide). Sulfanilamide is synthesized in lab from acetanilide treated with chlorosulfonic acid to acetaminobenzenesulfonyl...
Most chemical reactions are reversible. During a chemical reaction, reactants are usually converted into products. However, some products turn back into reactants at the same time. Chemical equilibrium can be described as a state in a reversible reaction where the speed of the forward reaction is equal to the rate...
The CFTR gene has multiple alterations, which means that the delta-F08 mutation is not the only known one. By the research, and resting on the information provided in the table, there are many other mutations of the CFTR gene that might cause the appearance and development of the disease (Freeman...
One of the world’s most endangered organisms is vaquita (Phocoena sinus), native to the northern Gulf of California. The animal got its name from the Spanish name vaquita, which means little cow. Scientists first identified this animal in 1958 when they found its’ unique skulls on the beach (Manjarrez-Bringas et...
The Aim of the Experiment This paper presents an experiment that was conducted to determine the activity of amylase on starch at various pH levels. The main aim of this experiment was to determine the optimum pH level for action of enzyme amylase on starch. Introduction An enzyme is a...
Introduction The article “The Egg and the Sperm” by Emily Martin provokes discussion by questioning the accepted notions of egg and sperm in popular and academic literature. In particular, it raises highly essential questions about modifications to the common understanding of fertilization, how they are supported by evidence, and how...
Introduction China is a nation that has long been renowned for its extensive cultural heritage and is characterized by the development of agriculture and the establishment of complex societies. Despite the impact of other foreign civilizations, the nation has managed to preserve its cultural identity for millennia (Wood 73). The...
Introduction This experiment is designed to isolate myristic acid from trimyristin through a saponification process. Trimyristin is a lipid found in blood and stored in fat cells; when one eats calories, it does not need to be used immediately. Later, hormones release the product to supply energy between meals. This...
My reflection and detailed evaluation of Why Evolution is True by Jerry A. Coyne demonstrates the significance of biological processes and transmutation of living organisms. The book features the characteristics of evolution that brace wildlife’s existence and tries to champion its ideas to be taught in schools. Jerry A. Coyne...
Halophiles usually thrive in salty environments and they are categorized according to the extent of their tolerance for highly saline environments, ranging from slight, moderate and extreme. Their adaptability to these highly saline environments, which have limited habitation by life forms, has drawn the interest of scientists who seek to...
Introduction There has been a remarkable breakthrough in molecular biology over the last ten years. Already today, it is possible to read the genetic code of a person and to predict what diseases it will inherit. With the help of gene technology, scientists clone animals, attempt to create children “on...
Introduction Biological systems contain a wide range of fatty acids in cell membranes and stored fat. In particular, the cell membrane of microbial organisms consists of a bilayer of glycerophospholipids in which the fatty acids are esterified to glycerol (Carlsson 1973, p.288). Microbial fatty acids are unique from one species...
Bromination/debromination which is an important organic reaction that aims in purification of crude cholesterol from impurities which include 3-cholestanol, 7-cholesten-3-ol, and 5,7-chlestadien-3-ol was performed in a laboratory scale for two weeks. Due to steric constraints, only cholesterol reacted with bromine and crystallized from the solution making it possible to be...
Mammals are vertebrates, and the main distinctive feature separating them from other animals is the presence of mammary glands. Other differentiating characteristics among mammals include integument, skeleton, and internal anatomical features. In modern times, this class of animals exists in three clades – marsupials, monotremes, and placental mammals. Marsupials are...
Introduction The world is not just people, flora and fauna that are on the surface. There are great many of other different organisms that exist in the world, but most people do not see them. The marine world is strange and unique; the organisms that inhabit it may be ranged...
Introduction Developing cultural competence is necessary in the modern world because the countries’ borders become blurred, and people of different nationalities are prone to cooperate within various circumstances. To avoid any inconveniences and misunderstandings, acquiring knowledge about distinguishing features of major cultures is essential. In particular, getting acquainted with Brazilian...
The modern archaeology relies on a whole range of tools, methods, and techniques that help the scientists to evaluate the sites before the beginning of excavations. The sites of different kind can be analyzed in a variety of aspects such as their chemical composition, the kinds of objects situated under...
Check out our essay example on Thick Description: Toward an Interpretative Theory of Culture. Here, you’ll find the meaning behind the definition of culture. Get some inspiration for your assignment with our Geertz’ Thick Description summary. Geertz’ Thick Description Summary Chapter by Chapter In “Thick Description: Toward an Interpretative Theory...
Introduction Measures of central tendency are values that fall in the midline of a given data set (Dodge, 2003). Measures of central tendency are often used in research to get an idea of where most data values lie. Other data measures that are closely related to measures of central tendency...
Introduction Organic molecules can be divided into carbohydrates, sugars, lipids, and proteins, which are analyzed in the current lab report. The combination of carbon, hydrogen, and oxygen is a carbohydrate, and it can be represented in three forms, including monosaccharides, disaccharides, and polysaccharides. Monosaccharides are composed of a single sugar,...
Abstract The study of pH has an increased value for clinical studies, mainly due to the buffering properties of some substances. The present experiment tested buffering for three samples: water, Alka-Seltzer, and milk. The results showed that Alka-Seltzer is characterized by increased buffering because it is most resistant to changes...
In these logs, we take a deep analysis of the various microorganisms and outline them to regular people who are interested in understanding various aspects related to treatment and symptoms for the microorganisms. Today, we will take a look into the Plasmodium Vivax eukaryote which has in the recent past...
General Information One of the first mammals of the Mesozoic era was Hadrocodium, whose external structure may remind modern rodents of the rat, squirrel, or weasel type. Fossils of this animal were found in Early China; it is thought that Hadrocodium lived about 195-200 million years ago. Literally, the Latin...
Introduction Gram staining is a highly crucial step in the process of identifying unknown strains of bacteria. It helps to differentiate between gram-positive and gram-negative bacteria, as well as gives pertinent information on the size and shape of the bacterial cells. The next step in the identification criteria is based...
Introduction Magnolia is among the largest genus flowering plants in Texas and eastern of North America. Magnolia is derived from a French botanist Pierre Magnol after discovering the plant in the Royal Botanic Garden of Montpellier in France. The taxonomic classification of the Magnolia tree is as follows: The domain...
Introduction The Lamp of Knowledge is a profound symbol of enlightenment, wisdom, and intellect. As an anthropologist examining the cultural intricacies of the past, the symbolic representation of this artifact intrigues and mystifies. The lamp, a physical object, is creatively transformed into a beacon of knowledge, like light, dispelling the...
Introduction Laboratory methods of chemical analysis are widely used to investigate the chemical nature of substances, describe their interactions, and study the processes involved. Strictly speaking, heat is a form of energy transferred between bodies following the thermodynamic heat transfer laws (LT, 2023). One such law is the postulation of...
First Identification Test: Gram Stain Based on the Gram stain image provided in the lab manual, the cells observed are rod-shaped and have a pink/red coloration, indicating that they did not retain the crystal violet stain and are, therefore, Gram-negative. The cells appear to have a uniform shape and size,...
Objective To learn about the principles of dilution, understand different concentration units, and practice converting. We aim to determine the molar concentration of dilute sodium hydroxide solution by measuring pH. Abstract In the present work, three successive dilutions were carried out, each of which pH was measured. The results showed...
Introduction In the course of the experiment, red cabbage extract was dissolved in water to test the pH level of household chemicals. According to Abedi-Firoozjah (2022), “red cabbage extract (RCE) is a common and rich source of anthocyanins, which are closely related to the pH of their environment” (p. 3)....
The fluctuation of the deer population on Arizona’s Kaibab Plateau from 1905 to 1939 is an excellent example that demonstrates the importance of carrying capacity. This concept refers to the average population size of the species that the geographical area can support (National Geographic, n.d.). In other words, the environment...
Phototrophs Organisms are usually classified based on their nutritional need, and according to this criterion, there are two distinct groups, the phototrophs and the chemotrophs. Phototrophs rely on energy from the sun to manufacture their food in the form of ATP (Parker et al., 2017). The sunlight oxidizes organic molecules...
When you think of something to see in the Philippines, the first things coming to mind are likely Manila, the beaches of El Nido, or Mayon volcano. But what if I tell you there is a place just as deserving of your attention, and a mere two-hour drive from the...
Oxygen is a factor of respiration that generates energy in the body. Body activities require energy, including moving, stretching muscles, and relaxing muscles. Through the lungs as well as respiration systems, humans are able to breathe in oxygen and breathe out carbon dioxide (Daniel et al. 35). The process through...
Introduction Physicochemical studies of key biological molecules are an essential part of laboratory practice to better understand their structure and identify possible patterns. The idea behind this work was to determine the viscosity of DNA molecules. It is well known that DNA is a long biopolymer consisting of four different...
Background Alcohol oxidation to aldehydes and ketones is vital during the synthesis of organic compounds. However, bleach can only directly oxidate some alcohols to carboxylic acids, ketones, or aldehydes. The shortcoming emerges because oxidation requires displacement of OH using NaOCl during substitution reaction (Chem 242: Lab Section, 2014). Most organic...
Introduction Archeology is a broad discipline that relies on excavation, survey, historical documentation (publication), and aerial photography to discover various activities and cultures of the human past. There are many factors to consider when deciding on the research method to use. Primarily, the site and objective of the study influence...
Introduction Post-translational modification is the process by which a protein (polypeptide) is modified chemically after it has gone through the third stage of protein biosynthesis. This third stage is referred to as translation. It is part of the whole process of gene expression. Basically, a protein is made up of...
The success of science depends on continuous research aimed at upgrading existing knowledge. As such the biological fields of science are undertaking such projects. One such project human genome project (HGP), one of the most important discoveries is aimed at not only identifying and defining all types of human genes...
The life of the Nacirema is rich in many rituals that shape the community and underline the role of magic. Three dominant concerns, namely the human body, the appearance, and human health, are usually mentioned in ceremonial activities. For example, the mouth fascination ritual proves the importance of the mouth’s...
A paramecium is a singled celled living organism that belongs to the kingdom Protista. The organisms size is about 0.02 inches in length. They have an oval shape and are rounded on the front and tapered at the end. The organism has a pellicle which gives shape to the organism...
The country chosen for discussion is India. Geographic Location: The country is located in the southeastern part of Asia. The southern part of the country forms a peninsula enclosed by the Arabian Sea in the west, the Indian Ocean in the south, and the Bay of Bengal in the east (Figure...
The UV-Spectrophotometer This lab instrument is used in the analysis of compounds based on their absorbance in the UV (200-400 nm) and visible (400-800nm) spectra. Its history dates the back to early 1800s when the diffraction grating was invented, enabling researchers to separate a light beam into its wavelengths. The...
Definition of the Underlying Concepts A weak acid is one in which ions dissociate partially in water. A strong base is a compound that can remove a proton from a significantly weak acid. Weak acids include acetic acid, formic acid, and benzoic acid. Strong bases comprise various compounds such as...
Robert Koch’s Postulates and the Germ Theory of Disease Overview Robert Koch was a German microbiologist and one of the founders of modern bacteriology and epidemiology. Koch was the first researcher to postulate that a specific type of microbe causes a particular disease, as he isolated a pure culture of...
Introduction Human skin color varies from dark brown to light colors. Differences in skin color between individuals are caused by variations in pigmentation resulting from genetic inheritance from biological parents, sun exposure, or a combination of both. In addition, distinctions between populations result from natural selection due to environmental differences...
Common and Scientific Name of the Plant Common Name: Tomato Scientific Name: Solanum Lycopersicum Anatomy of the Plant The tomato plant grows typically spreading or climbing, reaching heights between one and three meters. The tomato plant is an annual that is usually cultivated as a herbaceous perennial. It consists of...
Introduction PH (hydrogen potential indicator) is a measure of the acidity or alkalinity of a solution. This parameter indicates the solution’s hydrogen ions (H+) concentration. The pH scale ranges from 0 to 14, with a value of 7 being considered neutral (Surat, 2020). A value less than 7 indicates acidity,...
An ocean can be one of the most fascinating creations ever. It can be terrifying to see such a vast water collection. But it can also be exciting to imagine such a habitat for millions of species. The rolling waves, the breeze, and the sand under one’s feet on ocean...
General Information One of the true theropods, moving on two powerful hind legs, is Oviraptor. The reptile lived during the Late Cretaceous in what is now Central Asia, or more precisely, Tajikistan and Mongolia. A unique feature of this species was the presence of a crest on its head, which...
Goal To establish antibody purification needs. Abstract The variance in the antigen and antibody interaction coupled with the choice of molding these interactions has enabled us to open a new world of antibody use. Today antibody fragments and antibodies are used in immunochemical techniques. It is because of the advanced...
Introduction Cancer is one of the main causes of death in most parts of the world, especially in the Western World. It is the second killer in the USA and in a number of European counties after cardiovascular diseases. Cancer is an abnormal growth of cells that results from changes...
The main advantage of sexual reproduction is the fact that it introduces genetic variation. Giving new organisms half the genome of each parent means that they will be unique living beings rather than clones of their parents (Miller, n.d.). This random variation gives the species a chance to gain new...
Snakes are a widespread species that can be found in almost every part of the planet. While many people find them dangerous and even have phobias associated with snakes, they are interesting animals worthy of researchers’ attention. Due to the snakes’ inaccurate portrayal in media and culture, the general population...
Introduction Theoretically, the evolution of behaviors amongst organisms’ populations gets necessitated by diverse forces such as genetic drift and natural selection, which alter the rate of occurrence of the alleles in populaces. The change in population over time occurs in reaction to preference to or against a population subclass difference....
Microbiology studies the structure, vital functions, patterns, and developmental conditions of organisms. The name of science microbiology, one of the biological sciences, came from three Greek words: mikros – small, bios – life, and logos – study (Singh & Satyanarayana, 2017). In other words, microbiology is the science of tiny...
Introduction The origin of modern species has been the subject of study by many scientists, and it involves contrasting worldviews of creationism and evolution. Most people are adept with the primary arguments that Charles Darwin proposed in his famous book, On the Origin of Species, especially the proposition that the...
Introduction Living multicellular organisms are fragile biological systems that have the potential to be damaged by negative factors. Thus, touching the edge of the blade on the skin surface usually causes injury to the epidermis’ soft tissues. Nevertheless, somatic cells, which form the basis of tissues, are protected with regeneration,...
The current review deals with Gmelch’s article Lessons from the field initially published in Annual Editions: Anthropology. To understand the purpose and significance of this article one should pay attention to Gmelch scholarly background and the main directions of his studies. There is no denying the importance of the fact...
The masses of water over the globe are in a constant motion. Thus, water can be presented in three states which are liquid, gas, and solid. They change during the hydrologic cycle as a result of such processes as evaporation, transpiration, sublimation, condensation, precipitation, and infiltration. In spite of the...
Problem Statement This investigation aimed to apply Hess’s Law to estimate the enthalpy change of three chemical equations by calculating the heat transferred in a calorimeter. The objective was to determine the final reaction’s enthalpy change reasonably and confirm the applicability of Hess’s Law. Hypothesis Statement Hess’s Law is applied...
Agriculture is an essential part of the State’s activities. Thus, like any other industry, it may experience changes over time. Hence, as part of this scientific project, I visited a field in Hong Kong. Prior to the introduction of alterations initiated by the British government, these territories were engaged in...
Abstract This work aimed to obtain Phenacetin from Acetaminophen using a nucleophilic attack mechanism. Reflux, ice-bath cooling and heating, and vacuum filtration procedures were used to complete the synthesis. The simpler materials were reacted to produce complex compounds presented in later sections of the paper. Melting point values were instrumentally...
Introduction The cell is one of the most important topics that form the basic pillars of microbiology. The latter involves the scientific study of the functions and properties of all living organisms that are too small to be seen with the unaided eye (Zeng, 2022). Archaea, bacteria, viruses, fungi, phages,...
The female reproductive system is a complex system of organs and processes intended primarily for producing offspring. The external reproductive organs function to protect the internal reproductive organs and provide a structure for sperm to enter (“Female reproductive system,” 2019). The vagina, ovaries, uterus, and fallopian tubes constitute the inner...
General Information The dolphin is a typical representative of the mammals of the cetacean class, which, despite living underwater, do not have gills for underwater breathing. In fact, the aquatic lifestyle has influenced the body shape of these mammals: dolphins have a dorsal fin and a streamlined long body shape....
Purpose The purpose of this lab experiment is to enhance learners’ understanding of unique bacterial behavior in various media and relevant skills necessary for microorganism identification. This experiment will allow us to use both selective and differential media to identify gram-positive and gram-negative microorganisms. The three types of media used...
Abstract Nonspherocytic hemolytic anemia due to hexokinase deficiency is a hereditary disorder marked by the annihilation of red blood cells. The disease occurs as a consequence of a deficiency in hexokinase that is specific to the erythrocytes. An inadequate amount of hexokinase in the red blood cells occurs because of...
The Anatomy of the Skeletal System The skeletal system is located in the whole body and may be divided into two parts: the appendicular skeleton and the axial skeleton. Researchers note that “the axial skeleton runs along the body’s midline axis and is made up of eighty bones,” including, for...
Background Along with Sarcopterygii (lobe-finned fishes and tetrapod offspring), the ray-finned fish Actinopterygii make up the familiar class of bony fishes, the Osteichthyans. Osteichthyans are distinct for having an air sac (a swim or lung bladder but this may be lost) and large dermal bone units on the head and...
Introduction The human body is a complex machine that has various components that play different roles to ensure people develop and grow without problems. Blood plays an important role in the body because it ensures there are efficient gaseous exchange, respiration and excretion systems, and coordination of various parts. It...
The course of human anatomy begins with the definition of the body’s organs and systems that have various functions. All these systems are essential, but some organs are called vital, while others are not vital. This paper aims to name and discuss the purposes of the key vital organs, describe...
Spider Mating Ritual Research As shown in picture 1, male peacock spiders have a bright and colorful appearance, designed to attract females (Antonsen, 2019). However, their fascinating looks are only the tip of the iceberg, as these creatures have a whole slew of moves and signals aimed at gaining the...
Bilateral is a hypothetical organism, Urbilateria, and was the last common ancestor of Deuterostomia (echinoderms and the various chordate phyla) and Protostomia also referred to us higher animals. Classically, these two groups, the Deuterostomia, and Protostomia differed in a number of respects. Some of these characteristics have been challenged recently,...
Introduction Soil erosion is a process whereby soil (mostly the top fertile soil) is transported or swept away from its natural environment then deposited to other places. This usually happens as a result of blowing wind, water flow, rainfall, by the force of gravity (down slope movement of soil) and...
Introduction Photosynthesis is fundamental to the energy flow process in living organisms. “Plants are the primary producers and they make use of sunlight to produce sugars for energy production.” (Govindjee, 1997, p. 45) Excess nutrients are stored and the plants are eaten up by herbivores and omnivores which rely on...
My topic is “What are the good and what are the bad things associated with America”. I will focus on three positive characteristics such as the country’s impact on the modern development of technologies, America as ‘the land of opportunities’, and the protection of freedom of choice; and three negative...
Introduction All animals are characterized by a unique reproduction cycle, behavior, and social structure. Members of the same species share such bithe ological and social characteristic hence the reason why each species is distinct and unique. Gorillas are a group of mammals classified as primates. The same group contains humans,...
