Natural Sciences Essay Examples and Topics. Page 9

2,571 samples

Perfluorinated Alkyl Acids Contamination

This paper examines the sources of PFAAs contamination in the environment, their effects on animal and human health, and the existing U.S.policies regarding PFAAs.
  • Subjects: Chemistry
  • Pages: 5
  • Words: 1424

Utilization of Methyl Ethyl Ketone

With the direct utilization of the chemical compound, ink is produced and the continuous inkjet printing technology with the implementation of suitable printing machines for marking production is realized.
  • Subjects: Chemistry
  • Pages: 2
  • Words: 565

Cloning: Genetically Identical Copy

The clone develops in the womb and eventually, the adult female gives birth, with the new clone having an identical genetic makeup to the organism from which the somatic cell originated.
  • Subjects: Genetics
  • Pages: 2
  • Words: 662

Clinical Testing of Naegleria Fowleri Amoeba

Considering the potential health consequence of the Naegleria Fowleri amoeba, analysis to obtain a fast diagnosis is considered crucial to allow early treatment procedures.
  • Subjects: Biology
  • Pages: 2
  • Words: 698

Why Do Generic Drugs Cost Less?

West, the former Deputy Director of the Office of Generic Drugs, the review process of brand name medicines and generics is identical from the first to the fifth stage.
  • Subjects: Chemistry
  • Pages: 7
  • Words: 1958

Prefrontal Cortex and Effects of Stress Exposure

However, the inability to control the stressor can reduce the prefrontal cortex's capacity to regulate stress responses. Exposure to stress noticeably weakens the effectiveness of the prefrontal cortex while stimulating more primitive responses of the [...]
  • Subjects: Biology
  • Pages: 3
  • Words: 829

The Concept of Economic Convergence: The Case of Belgium and Congo

By area, DRC is the largest country in sub-Saharan Africa, the second-largest in the continent, and the 11th-largest. To analyze the concept of economic convergence, the economic growth rate in Gross Domestic Product and life [...]
  • Subjects: Countries Studies
  • Pages: 3
  • Words: 964

Down Syndrome Genetics and Behaviors

Using current research literature on behavioral issues and novel treatments for Down syndrome, this paper explores and discusses behavioral inflexibility, restrictive and repetitive behaviors, and Down syndrome's neurogenetic nature.
  • Subjects: Genetics
  • Pages: 4
  • Words: 1116

Semi-Microscale Diels-Alder Reaction

In the present experiment, a semi-microscale study of the IR spectra of the recrystallized product and raw materials is carried out to confirm the reaction between anthracene and maleic anhydride.
  • Subjects: Chemistry
  • Pages: 3
  • Words: 891

Gene Editing: Humanity’s Possible Doom

The ethics of gene editing from an Islamic perspective: A focus on the recent gene editing of the Chinese twins. This article will be the primary citation in regards to the many advantages of gene [...]
  • Subjects: Genetics
  • Pages: 5
  • Words: 1197

How Nematodes Are Beneficial to Humans

Humans are resistant to nematodes, certain parasitic nematodes, and they contribute significantly to controlling the spread of certain dangerous insects. While beneficial nematodes are exceptionally effective predators of pests, they are completely harmless to humans, [...]
  • Subjects: Biology
  • Pages: 1
  • Words: 316

How Homo Sapiens Influenced Felis Catus

A likely reason for the beginning of the domestication of Felis catus was to help cats with the problem of rodents that were destroying agricultural supplies.
  • Subjects: Zoology
  • Pages: 1
  • Words: 294

Mitochondria DNA (mtDNA) in Genealogy

It is the development of mtDNA that enabled Sykes to trace and guess about the lives of the clan mothers since through it he was able to assess the genetic makeup of modern Europeans.
  • Subjects: Genetics
  • Pages: 3
  • Words: 901

Milk Composition and Factors Affecting It

In the present experiment, a dish is prepared according to Kitchen #3: Ricotta cheese is prepared and then used to make Lemon, Spinach, Ricotta Pasta.
  • Subjects: Chemistry
  • Pages: 3
  • Words: 1022

Agriculture: Environmental, Economic, and Social Aspects

One of them is agriculture, and its examination from the selected perspective seems reasonable in order to reveal the interrelation of the above concepts alongside the importance of sustainability.
  • Subjects: Agriculture
  • Pages: 1
  • Words: 309

Aqueous Solution Definition in Chemistry

However, regarding the title of the article, the examination of the gel formation is missing in the abstract, and several questions about the chosen research process emerge. The next section in the article is devoted [...]
  • Subjects: Chemistry
  • Pages: 6
  • Words: 1760

Gene Mutation Effects and Prevention

In the scientific world, gradual body change is a common occurrence witnessed in many parts of the world over a couple of years. In conclusion, the mutation causes a physical dysfunction and change in the [...]
  • Subjects: Genetics
  • Pages: 1
  • Words: 366

Polyphenolic Compounds, Quercetin and Iron

On the other hand, catechin is a weak acid, while rutin and cyanidin-3 are strong and weak bases, respectively. Lastly, epithelial cells are found within the gastrointestinal tract ad the cells are used to the [...]
  • Subjects: Chemistry
  • Pages: 1
  • Words: 282

Ethics of Napoleon Chagnon’s Yanomami Tribe Study

More specifically, one of the most known anthropologists used a controversial approach in studying the everyday life of the Venezuelan tribe Yanomami concerning the falsification of facts and misinterpretation of cause-and-effect relationships.
  • Subjects: Anthropology
  • Pages: 2
  • Words: 589

Memory: Its Functions, Types, and Stages of Storage

First, information is processed in sensory memory, which perceives sensory events for a couple of seconds to determine whether the information is valuable and should be kept for a longer period. As information goes through [...]
  • Subjects: Biology
  • Pages: 2
  • Words: 507

Greece, Country Analysis: Location and Business Issues

Greece was selected due to its rich history and significance to the modern world as a first place to embrace reason. It is an agro-industrial country belonging to the category of developed ones.
  • Subjects: Geography
  • Pages: 5
  • Words: 1262

Atlantic City, the City in the United States

Atlantic City is a great city that provides an opportunity to grasp the whole place without spending a lot of time on the road since the city is relatively small in both size and population.
  • Subjects: Geography
  • Pages: 1
  • Words: 402

A Statistical Experiment: Junco Birds

The presence and content of 2-pentadecanone in the male may be related to the saturation of particular odors that excite the reproductive call of female birds.
  • Subjects: Biology
  • Pages: 2
  • Words: 596

Researching the Basics of Biology

Further, I will describe the three things I learned during the course: the structure and functions of proteins, Mendelian genetics, and genetically modified organisms.
  • Subjects: Biology
  • Pages: 3
  • Words: 839

Captive’s Statuettes of Ancient Egypt

In particular, they were used in the rituals of protection of the land and the king, which were conducted in temples to eliminate the enemies of the king of Egypt.
  • Subjects: Archeology
  • Pages: 2
  • Words: 586

The Great Pyrenees Dog Breed as a Pet

In the folklore of the French Pyrenees, there is a touching legend about the origin of the breed. The dog will not obey a person of weak character and nervous.
  • Subjects: Zoology
  • Pages: 2
  • Words: 583

The Memory Formation Process: Key Issues

Hippocampus plays an essential role in the memory formation process because it is the part of the brain where short-term memories become long-term memories.
  • Subjects: Biology
  • Pages: 1
  • Words: 286

The RNA Interference: Application in Medicine and Research

The paper includes the concept of NOS in the understanding of RNAi and its application in medicine and research. In conclusion, I formed a particular picture of the world based on generalization, systematization, and coordination [...]
  • Subjects: Genetics
  • Pages: 1
  • Words: 350

Anthropology: Chimpanzees Have a Culture

In the popular article, the author argues that chimpanzees have a culture similar to human beings. In the article, Call and Tennie argue that chimpanzees have a culture through inventions and observation, which scientists do [...]
  • Subjects: Anthropology
  • Pages: 5
  • Words: 1389

Researching and Analysis of Peppered Moths

Coal air pollution in England in the 19th century made the environment for dark-colored peppered moths more favorable and degraded it for light-colored ones.
  • Subjects: Biology
  • Pages: 2
  • Words: 612

Adaptation to Stress of Endocrine and Sympathetic Nervous System

Stress is a non-specific body reaction that occurs under the action of various extreme factors that threaten the violation of homeostasis and is characterized by stereotypical changes in the function of the nervous and endocrine [...]
  • Subjects: Biology
  • Pages: 1
  • Words: 395

Should Cloning Be 100% Legal or Illegal?

After all, an embryo is recognized as a living organism, and for cloning experiments, embryo cells would have to be killed in the research.
  • Subjects: Genetics
  • Pages: 1
  • Words: 434

Researching the Earthquake

Due to human activity, artificial earthquakes occur, and their number increases every year following the strengthening of destructive human impact on the planet.
  • Subjects: Geography
  • Pages: 1
  • Words: 313

Mitosis and Genetic Makeup of Different Species

As the centromeres of a cell align among the spindle equator, the genetic material of the maternal cell is duplicated, which allows for the two daughter cells to emerge.
  • Subjects: Biology
  • Pages: 3
  • Words: 878

The American Crow Species Analysis

The information in the article is very reliable as the study was conducted through a scientific procedure to reach a conclusion.
  • Subjects: Zoology
  • Pages: 2
  • Words: 859

Neuroethics, Its Meanings and Main Topics

Neuroscience studies how the brain works and what is the structure of the brain. It is important to understand the anatomy, physiology, biochemistry of the brain, and to correlate them with the behavior.
  • Subjects: Biology
  • Pages: 1
  • Words: 372

Genetic Modification and Cloning

Even though it is hard to predict all the outcomes of genetic modification and cloning, I would suggest using CRISPR Cas9 in treating retinal diseases such as the one described in the case study.
  • Subjects: Genetics
  • Pages: 1
  • Words: 402

Analysis of Astoria, Queens, New York City

The neighborhood chosen for this assignment is Astoria, located in the borough of Queens, New York City. The neighborhood is well-connected with other parts of the city by various types of public transport and is [...]
  • Subjects: Countries Studies
  • Pages: 1
  • Words: 340

Russia: Socio-Demographic and Economic Information

Russia is supposed to be one of the most significant and most developing countries in the world. Currently, the President of Russia is eligible to appoint the Prime Minister and his subordinates.
  • Subjects: Geography
  • Pages: 1
  • Words: 323

Membrane Hands-on Laboratory Report

The egg cell was applied in the experiment because of its properties. The experiment was conducted as a kitchen science experiment.
  • Subjects: Biology
  • Pages: 4
  • Words: 1176

Viruses: Reproduction and Adaptation

However, viruses cannot sustain themselves and are not capable for independent replication, hence, it is not a living organism. To conclude, viruses are on the boundaries of the living and non-living area.
  • Subjects: Biology
  • Pages: 1
  • Words: 293

Glucose and Its Importance in Biology

Among them are galactose and fructose, with galactose being the optical isomer of glucose, while fructose is the structural isomer. On the contrary, while glucose and fructose can be found in natural sugars, especially in [...]
  • Subjects: Chemistry
  • Pages: 1
  • Words: 375

Canada’s Demographic Pattern to Inform Healthcare Decisions

The age of the Canadian population has been changing significantly since 1990 and is expected to change in 2100. This implies that the Canadian health system is effective in meeting the needs of its population.
  • Subjects: Countries Studies
  • Pages: 4
  • Words: 1333

Microbiological Analysis: Lab Report

This type of medium is standardly used to isolate Gram-negative bacteria, with a source of nutrients in the form of carbon and nitrogen from the casein hydrolysate that is part of the C-CNA.
  • Subjects: Biology
  • Pages: 1
  • Words: 520

History of Chemistry: Main Points

Nobel Prize in Chemistry is an award given yearly by the Royal Swedish Academy of Sciences to scientists who confer the greatest benefit to humanity in the various fields of chemistry.
  • Subjects: Chemistry
  • Pages: 2
  • Words: 803

History: Evolution of Humans

The first picture demonstrates the areas of the settlement of modern humans' predecessors, namely, Homo erectus, Homo neanderthalensis, and Homo sapiens, as well as the times of the migration of Homo sapiens to different regions.
  • Subjects: Evolution of Humans
  • Pages: 2
  • Words: 623

“Ghost in the Genes” Video Review

Epigenetics enables the appropriate study of the factors that significantly impact the functioning of the cells that may lead to the turning on and off of different genes present in the cells.
  • Subjects: Genetics
  • Pages: 2
  • Words: 554

Microbial Growth and Effect of pH on It

The above principle is used in this laboratory work, the aim of which is to evaluate the effect of the pH of the medium on the growth of microorganisms.
  • Subjects: Biology
  • Pages: 4
  • Words: 1330

Editing the Genome of Human Embryos: Pros and Cons

This study has not yet been finalized to the extent that scientists can allow it to operate in the conditions of real people. In this regard, scientists should continue to work on the development of [...]
  • Subjects: Genetics
  • Pages: 1
  • Words: 404

Sulfur Mustard: Hazards, Properties, and Warfare Usage

As it is a lipophilic compound, the skin, the eyes, and the respiratory tract easily absorb the chemical. Sulfur mustard is also hypothesized to affect one's fertility and serve as a carcinogen, although the former [...]
  • Subjects: Chemistry
  • Pages: 2
  • Words: 667

Microbiology: Aspects of E Coli

E Coli is a common type of bacteria that is found in the intestines of human beings and the gut of several animals.
  • Subjects: Biology
  • Pages: 2
  • Words: 676

Producing Efficient Ethanol From Waste

The first prediction was the significant materials of the waste that can be changed to ethanol were lignocellulose and starchy compounds.
  • Subjects: Chemistry
  • Pages: 3
  • Words: 865

The Article “Is This the End?” by James Atlas

As Atlas contemplates the existing monuments of the 20th-21st centuries, he writes about the great nations of the past, such as the Roman Empire, that never thought it would collapse in the way it did.
  • Subjects: Archeology
  • Pages: 2
  • Words: 578

The Cancer Cell Development: Causes and Sources

Loss of function of suppressor genes resulting from mutations becomes the cause of cancer development: the cell divides abnormally, increasing the cell mass of the tissue.
  • Subjects: Biology
  • Pages: 1
  • Words: 474

The Role of Microorganisms, Biotechnology

Today, the field of their use in human life is so vast and diverse that it makes an invaluable contribution to the development of such industries as health, industry, and the functioning of the environment.
  • Subjects: Biology
  • Pages: 1
  • Words: 391

Biological Taxonomy: Classification of Microorganisms

This discovery invalidated the eukaryote-prokaryote dichotomy by revealing the concise division of the 16S rRNA tree into three primary branches, which was later distinguished as the three life domains: Eukarya, Archaea, and Bacteria.
  • Subjects: Biology
  • Pages: 2
  • Words: 681

Blood Cells and Their Functions

The function of red blood cells lies in carrying oxygen from the lung to the rest of the body. Such a shape allows them to increase the area of the surface, which, in turn, creates [...]
  • Subjects: Biology
  • Pages: 2
  • Words: 567

Most Powerful Tidal Turbine Set Sail in Scotland

The location of the UK makes it a perfect choice for the widespread implementation of tidal power. Overall, tidal energy has a chance of becoming a noticeable energy source in the UK.
  • Subjects: Geography
  • Pages: 2
  • Words: 374

Homeostasis and Regulation in the Human Body

The feedback loop essential components include the receptor, also known as a sensor, which detects changes in the body Remember that homeostasis is the ability of the body to maintain stable and balanced internal conditions.
  • Subjects: Biology
  • Pages: 3
  • Words: 827

Continuous Cell Lines and Primary Cell Cultures

One feature which is common for both types of cell models is the tissue of origin both of them stem from, which means that to some degree, they share the same genetic makeup.
  • Subjects: Biology
  • Pages: 1
  • Words: 344

Color Blindness and Its Genetic Nature

Nevertheless, color blindness genes may be carried by the non-color-blind female and transferred to future generations. Depending on the mutation, inherited color blindness may be congenital or may reveal itself in childhood or adulthood.
  • Subjects: Genetics
  • Pages: 1
  • Words: 294

Ubiquity of Bacteria: Laboratory Activity

You will examine some surfaces and note that while you cannot see individual bacteria because they are so tiny and clear, it is possible to see a colony, or group, of bacteria. Then, the bacteria [...]
  • Subjects: Biology
  • Pages: 4
  • Words: 1496

Biohybrid Actuators: Compare and Contrast

The introduction also encompasses the description of the researchers' procedure, addressing the aim of examination and stimulation of the electrical signals in plants.
  • Subjects: Biology
  • Pages: 3
  • Words: 846

Jean-Baptiste Lamarck’s Views and Works

For example, a giraffe's neck is stretched because it needs to reach the foliage on the tops of trees, and the anteater's tongue has become long to penetrate the anthill.
  • Subjects: Biology
  • Pages: 1
  • Words: 311

Human Biology: Human Cells and Chromosomes

Both pathologies are united by the common term aneuploidy, which describes deviations in the karyotype of a diploid organism in which the number of chromosomes is not a multiple of the haploid set.
  • Subjects: Biology
  • Pages: 1
  • Words: 380

Japanese Agricultural Policies

To cope with the hardships of food supply, Japan needs a flexible and robust regulation in the food and agricultural fields.
  • Subjects: Agriculture
  • Pages: 4
  • Words: 787

Pathogen Study: Pseudomonas Aeruginosa

The pathogenicity of the bacterium is expressed in the infection of sites with purulent inflammatory processes and abscesses, which is particularly relevant to burn victims.
  • Subjects: Biology
  • Pages: 3
  • Words: 860

Information About the USA States’ Boundaries

The dependent variable was the ability to identify and mark the member states on the provided blank map. On average, the participants correctly identified 23 states on the map, with three people labeling all 50 [...]
  • Subjects: Geography
  • Pages: 3
  • Words: 685

Peace River Fossils. Fossil Musk Turtles

Such data was used to determine the age of the remains and assume a possible period of species existence. Researchers have found that some of these fossils may date back to the late Miocene.
  • Subjects: Archeology
  • Pages: 2
  • Words: 501

Genetic and Genomic Technology

Positive results mean that a patient has been diagnosed with the disease, and so treatment is essential to ensure the patient's good health.
  • Subjects: Genetics
  • Pages: 3
  • Words: 949

Long Island Excavation Site Report

Thus, in this particular report, the interpretation of the findings discovered during the excavation is strictly subjective, based partially on the existing knowledge of similar sites and the regional specificities.
  • Subjects: Archeology
  • Pages: 6
  • Words: 1726

Neanderthals: Debates Regarding the History of Neanderthals

Future studies showed that, in the beginning, Homo sapiens and Neanderthals had the same group of ancestors in Africa. The rest of the group stayed in Africa and created the beginning of the modern human.
  • Subjects: Evolution of Humans
  • Pages: 3
  • Words: 811

Nervous System and Human Capacities

The central part of the system is located in the brain and spinal cord, and all reactions appear there, while the peripheral one operates all over the body to deliver the signals to the organs.
  • Subjects: Biology
  • Pages: 1
  • Words: 418

Anthropologist James Deetz and the Tobacco Trade

He noticed that there was a variation in the size of the bore stems and thought to himself that maybe there is a correlation between the bore stem size to the year it was created [...]
  • Subjects: Anthropology
  • Pages: 2
  • Words: 549

Percent Composition of Calcium in Salt: Gravimetric Analysis

The precipitative gravimetric analysis allows the use of a net ionic equation for the measurement of the mass of solid calcium oxalate, determination of percent composition of calcium in the salt using the empirical formula, [...]
  • Subjects: Chemistry
  • Pages: 4
  • Words: 1126

Stromal Cells in Formation of Extracellular Matrix

Since the extracellular matrix is primarily formed from connective tissue cells, it is pertinent to note that stromal cells are fundamental to the construction of the 3D matrix.
  • Subjects: Biology
  • Pages: 1
  • Words: 307

Qin Shi Huang: The Big Dig

The story of the Tomb of Qin Shi Huang begins in 1974 when farmers from Xi'an dug into one of the fascinating excavations of the 20th century.
  • Subjects: Archeology
  • Pages: 4
  • Words: 1116

Agriculture and Its Social Origins

Despite the advantages of old methods of finding food and the disadvantages of agriculture, the transition could occur due to the human factor.
  • Subjects: Agriculture
  • Pages: 3
  • Words: 760

Understanding the Hand Anatomy

The excellent functionality of the different parts of the body, including the hand, thigh, neck, girdle, pectoral, and legs, are critical for the normal functioning of a human being.
  • Subjects: Biology
  • Pages: 4
  • Words: 1226

SCN8A-Related Epilepsy – Genetic Seizure Disorder

The paper contains the discussion of the standardized procedure for this diagnosis, suggests how the present experience would affect the medical practice concerning this kind of epilepsy.
  • Subjects: Genetics
  • Pages: 7
  • Words: 1930

The Integumentary and the Skeleton System

It is in the position of balance that the body is able to function successfully and in a normal state. It is the role of these hormones to control the body's operations.
  • Subjects: Biology
  • Pages: 4
  • Words: 1100

Reproductive Performance of Transgenic Atlantic Salmon

The article's findings showed that in terms of spawn participation, quivering frequency, and nest fidelity, captively reared transgenic counterparts were outperformed by wild anadromous males.
  • Subjects: Zoology
  • Pages: 1
  • Words: 366

Molecular Genetics: Gene Sequence Homology

The emergence of the Mendelian genetics in the 19th century and the discovery of DNA structure by James Watson and Francis Crick in the 20th century have paved the way for the development of molecular [...]
  • Subjects: Genetics
  • Pages: 5
  • Words: 1435

Indigenization of Australian Libraries

Australian libraries have, in some ways, contributed to the misrepresentation and underserving of the Indigenous community, which has overarchingly perpetuated levels of distrust towards information systems.
  • Subjects: Anthropology
  • Pages: 9
  • Words: 12901

The History of European Alchemy

The birth of this concept was found through the merger of the philosophies of Aristotle with Christian theology and for centuries predominantly found in Europe of the middle Ages and Renaissance.
  • Subjects: Chemistry
  • Pages: 20
  • Words: 5823

Chemical Composition of Cells: A Lab Experiment

This laboratory experiment focuses on the chemical composition of cells, appropriate identification of which contributes to the understanding of distinctions between organic and inorganic chemicals.
  • Subjects: Chemistry
  • Pages: 1
  • Words: 284

Native Dune Systems vs. Man-Made Beach Structures

Economic analyses and resumes provided in this paper state that the safety and protection of shorelines are paramount to Florida tourism, and that the destruction of these shores are going to hurt the economy of [...]
  • Subjects: Geography
  • Pages: 20
  • Words: 5002

Cockroach Infestation: Essential Findings and Solutions

The idea that the threat of having a cockroach infestation is in direct proportion to the elevation of the room remains a common misconception. The issue of cockroach infestation is not to be underrated.
  • Subjects: Zoology
  • Pages: 2
  • Words: 624