Natural Sciences Essay Examples and Topics. Page 10

2,306 samples

The Occupational Exposure of Crude Oil Tank Cleaning Workers

The proposed research aims to critically assess the occupational exposure of crude oil tank cleaning workers in the Sultanate of Oman to benzene, toluene, ethylbenzene, and xylene and evaluate the effectiveness of existing control measures.
  • Subjects: Biology
  • Pages: 2
  • Words: 548

The Impact of Acetamiprid on Agriculture

It is also effective in corroding insects with biting and sucking parts of the mouth, as the active ingredient of acetamiprid is nicotine, which is dangerous for a significant portion of animals and insects.
  • Subjects: Agriculture
  • Pages: 3
  • Words: 889

Structural and Functional Features of Zeolites

It is believed that the tremendous success in the field of the introduction of zeolites is connected with oil refining. The article will focus on zeolite ion exchange and the definition of sodium zeolite as [...]
  • Subjects: Chemistry
  • Pages: 10
  • Words: 2762

The Grand Canyon and Its Potential

Over time, the Grand Canyon became one of the symbols of the United States and the State of Arizona in particular.
  • Subjects: Geography
  • Pages: 2
  • Words: 572

Epithelial Tissue: Structure and Functions

Because simple squamous epithelium is involved in the composition of the lungs, the heart, blood, and lymphatic vessels, it plays crucial functions in the body.
  • Subjects: Biology
  • Pages: 5
  • Words: 826

The Spirit Bear of British Columbia

The Spirit bear of the British Colony is a unique species of bears that amaze with their appearance and are of particular importance to the population of British Columbia.
  • Subjects: Zoology
  • Pages: 1
  • Words: 275

Researching the Concept of Epigenetics

When it comes to the considerations of epigenetics in terms of a disease for which an individual is at high risk, it is necessary to consider family history as well as environmental factors that add [...]
  • Subjects: Genetics
  • Pages: 4
  • Words: 1091

Is Vitamin D the New Super Nutrient?

The other significance of vitamin D in the body is that it can be manufactured when exposed to sunlight. What sets vitamin D apart from the other nutrients and arguably makes it a super nutrient [...]
  • Subjects: Biology
  • Pages: 2
  • Words: 580

Chemical Processes: The Diels-Alder Reaction

However, the basis has remained unchanged; namely, the addition of a dienophile to a diene by 2,4-conjugation allows the preparation of non-aromatic homocyclic with one multiple bonds in them.
  • Subjects: Chemistry
  • Pages: 2
  • Words: 592

Reasons for Sequencing the Genome

However, such access should be given only after in-depth research into the psychological nature of the perception of the results and the reduction of possible harm to the participants' health.
  • Subjects: Genetics
  • Pages: 2
  • Words: 582

Anatomy of the Pituitary Gland

Adrenocorticotropic hormones - These are hormones that stimulate the adrenal gland to produce hormones. Thyroid-stimulating hormones - These are hormones that stimulate the thyroid gland to manufacture hormones.
  • Subjects: Biology
  • Pages: 2
  • Words: 653

Relation Between Food Policy and Politics

This information demonstrates that the given region of the United States is likely to expect significant problems in the future. Thus, it is possible to conclude that endangered fertility of the Great Plains is one [...]
  • Subjects: Agriculture
  • Pages: 6
  • Words: 1779

Emergence of the Human and Health Science

When relating the theory to the concept of human, life and the science surrounding it, it is clear to note how humans have made significant advancements in science with the intent of developing their world, [...]
  • Subjects: Evolution of Humans
  • Pages: 2
  • Words: 583

Discussion of Legal System of Italy

There are primary and secondary sources of the EU law, and they concern mainly treaties that define powers of particular institution regulations that have the same features as treaties do.
  • Subjects: Countries Studies
  • Pages: 1
  • Words: 381

Research of Amorphous Solids in World

The purpose of this report is to describe the history, structure, properties, and applications in real life of amorphous solids. The molecules of an amorphous solid have a short-range order of action.
  • Subjects: Chemistry
  • Pages: 9
  • Words: 2570

The Reproductive Attractiveness of Junco Birds

Specifically, the effects of two variables at once were evaluated: the proportion of white plumage on the brown coloration of male birds and the concentration of 2-pentadecanone in the reproductive secretion of individuals.
  • Subjects: Biology
  • Pages: 3
  • Words: 858

Epigenetics: Analysis of Article

Based on the completed family history assessment, I would not wholly link my risk metric to the outcome of the investigation and infer that I am vulnerable to the above-identified conditions. The outcome could be [...]
  • Subjects: Genetics
  • Pages: 4
  • Words: 1097

Aggression in Nonhuman Primates and Human Evolution

Comparing and analyzing the sources of aggression among chimpanzees and bonobos revealed that environmental factors, such as food availability, determined key differences of social structure and aggression patterns in chimps and bonobos.
  • Subjects: Evolution of Humans
  • Pages: 5
  • Words: 1104

Idea of “Designer Babies” and Genetic Manipulations

To date, the idea of "designer babies," which claims that it is possible to alter the genes of the embryo, carrying out specific genetic manipulations, is becoming pretty popular but needs to be explored more.
  • Subjects: Genetics
  • Pages: 1
  • Words: 335

A Baseline Analysis of Blackburn With Darwen

The paper contains a literature review on the topic of geographic inequality, a baseline analysis of Blackburn with Darwen, and methodological suggestions for the further research of uneven development of the UK.
  • Subjects: Geography
  • Pages: 9
  • Words: 2551

Practical Report: Determination of a Bacteriophage Titer

It is suggested that all the different viruses account for the quantity exceeding the number of stars in the universe. Viruses are called obligate intracellular parasites as they need the host cell in order to [...]
  • Subjects: Biology
  • Pages: 2
  • Words: 358

Gene Therapy: History, Description, Steps, and Future

The field of research concerning the modification of cells to cure certain diseases became known in the early 1970s. The success of the procedure was then published and performed in 2002.
  • Subjects: Genetics
  • Pages: 6
  • Words: 1722

Evolutionary Biology and Darwin

The lack of knowledge about the laws of heredity, the genetic and ecological structure of species, and the lack of experimental evidence of natural selection served as the basis for the growth of critical attitudes [...]
  • Subjects: Biology
  • Pages: 5
  • Words: 1406

Spectrophotometry Used in Biochemical Settings

The work of a spectrophotometer is based on this law to calculate the amount of light, its absorption, and concentration. Spectrophotometry is necessary to demonstrate how non-destructive methods help check the condition of the water, [...]
  • Subjects: Chemistry
  • Pages: 2
  • Words: 552

Microbiology: Influenza Viruses

The virus uses the HA spikes on its envelope to attach to the sialic acid receptors on the epithelial cells. The HA spike proteins assist the virus in attaching to the lower respiratory tract epithelium.
  • Subjects: Biology
  • Pages: 1
  • Words: 384

Analysis of Australia Gaps in Development

Due to the geographic location that complicated the process of colonialism, Australia had been isolated from the impact of the British rule for a while, which helped the state to develop its agency and start [...]
  • Subjects: Countries Studies
  • Pages: 4
  • Words: 1185

Biowarfare and Bioterrorism: History and Origin

According to Edmond and William, the dawn of bioterrorism dates back to the nineteenth century, when Louis Pasteur and Robert Koech studied and understood the basics of microbiology. Moreover, another application of biological weapons is [...]
  • Subjects: Biology
  • Pages: 3
  • Words: 853

Gene Therapy and Genetic Enhancement

On the other hand, genetic enhancement targets modifying the genes to augment the aptitudes of an organism outside the ordinary. Somatic gene editing impacts the cells of an individual under treatment and it is inherited [...]
  • Subjects: Genetics
  • Pages: 2
  • Words: 625

Biology of Neuronal Impulses Interaction

One of the main parts of the neuronal "chain" is a neurotransmitter. In the case of a voltage-gated channel, at rest, the activation gate of the channels is closed, and the inactivation gate is open.
  • Subjects: Biology
  • Pages: 2
  • Words: 471

The Reasons for Genetic Counseling

According to Abacan, "genetic counseling is the process of helping people understand and adapt to the medical, psychological and familial implications of genetic contributions to disease".
  • Subjects: Genetics
  • Pages: 4
  • Words: 1245

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

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

Case Study: Human Body Water Balance

Sodium is reabsorbed in the thick climbing appendage of the loop of Henle. The rest of the Na+ retention happens in the distal nephron.
  • Subjects: Biology
  • Pages: 1
  • Words: 376

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

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

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

Biology Lab Report: Biodiversity Study of Lichens

As a consequence of these results, the variety of foods found in forest flora that include lichens may be linked to varying optimum conditions for establishment and development.
  • Subjects: Biology
  • Pages: 1
  • Words: 446

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

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

Iris Flowers Species and Their Classification

Data mining regarding the classification of iris flowers will be important in identifying the existing iris species, outlining the structural differences between the various species, identifying the possible causes for the differences, and underpinning potential [...]
  • Subjects: Biology
  • Pages: 12
  • Words: 2341

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

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

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: 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

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

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

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

Ancient Chinese Contributions

These four areas of innovations contributed greatly to the growth and massive transformation of China up to the current time. The use of Fireworks/gunpowder has changed the face of the world in regard to warfare.
  • Subjects: Countries Studies
  • Pages: 3
  • Words: 836

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

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

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

The Role of the Dietary Lipids in the Organism

This is achieved when one-third of vegetable and two-thirds of animal fats are used in the diet. The sources of dietary lipid in food are fats used in food preparation and those contained in food.
  • Subjects: Biology
  • Pages: 2
  • Words: 645

First Reptiles Adaptation: Amniotic Egg Evolution

The amniotic egg evolution is an adaptation that allowed the first reptiles to thrive in a dry land the development occurred over 300 million years ago. The robust shell protects the egg from drying out, [...]
  • Subjects: Biology
  • Pages: 1
  • Words: 336

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

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

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

Kenya, East Africa: History and Geography

Kenya is an East-African country bordered on the northern sides by Ethiopia and South Sudan, Lake Victoria and Uganda to the west, Tanzania to the south, and the Indian Ocean and Somalia to the east.
  • Subjects: Countries Studies
  • Pages: 7
  • Words: 711

Study of the Concept of Thermoregulation

The body's response to such signals often results in sweating, one of the most visible manifestations of the thermoregulation in the human body.
  • Subjects: Biology
  • Pages: 4
  • Words: 373

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

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

Weather Analysis for Vancouver, British Columbia

Referring to the weather map, Vancouver was at the northern periphery of the anticyclone and the cyclone's warm sector. The weather was characterized by the wind from the east at 16 km/h.
  • Subjects: Geography
  • Pages: 2
  • Words: 587

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

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

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

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