Natural Sciences Essay Examples and Topics. Page 15

2,315 samples

Major Histocompatibility Complex

During the succeeding years, French Immunologist Jean Dausset and later Baruj Benacerraf discovered that the body has the ability to respond to a particular antigen and that interaction of the T cells and B cells [...]
  • Subjects: Genetics
  • Pages: 10
  • Words: 2675

Bacterial Strains Identification Experiment

Further differentiation of the bacterial unknowns was performed through additional colorimetric tests, resulting in the validation of the identity of each bacterial species.
  • Subjects: Biology
  • Pages: 8
  • Words: 2169

Ecuador: A Country Study, Culture, People and History

There is small variation in daytime hours due to the location of Ecuador on the equator The capital city of Ecuador is Quito, located in the Pichincha province in the sierra region.
  • Subjects: Countries Studies
  • Pages: 3
  • Words: 694

Medical Anthropology. Female Genital Mutilation

Never the less it is universally unacceptable because it is an infringement on the physical and psychosexual integrity of women and girls and is a form of violence against them.
  • Subjects: Anthropology
  • Pages: 6
  • Words: 1741

Vitamin C Test: Medical Analysis

Thus, the concentration of vitamin C in each solution influences the number of iodine drops that are needed in order to change the color of the homogenate solution to black.
  • Subjects: Biology
  • Pages: 3
  • Words: 953

Science and Religion Relations Analysis

First of all it is necessary to mention, that the creation / evolution debate is the matter of expressing the religious beliefs: one represents the theistic model, the opposite atheistic.
  • Subjects: Evolution of Humans
  • Pages: 3
  • Words: 820

Importance of Coral Reefs

The algae that is found in the sea also helps in reef building because they contain limestone and this is important in the integrity of the reefs.
  • Subjects: Zoology
  • Pages: 5
  • Words: 1625

Nuer Culture: Historical Analysis

Many have also vowed to go back to Sudan and try changing the traditional culture for the betterment of their community.
  • Subjects: Anthropology
  • Pages: 1
  • Words: 290

Kennewick Man Controversy Analysis

It sparked off after the discovery of Kennewick Man and one of its effects was the confusion that the public was subjected to by it and the fact that the Federal government tried to settle [...]
  • Subjects: Archeology
  • Pages: 3
  • Words: 782

How Cities Grow: Urban Analysis

The definition of "complexity" here defines the amount and diversity of the probable occupations, as some particular cities may be famous for the variety of goods, the mastery of craftsmen, the beauty of architecture, and [...]
  • Subjects: Anthropology
  • Pages: 4
  • Words: 1018

Genes and Environment: Genetic Factors and Issues Analysis

Even at the very beginning when the egg combines with the sperm the organism is more then merely the genetic information contained in those parts, the egg contains important nutrients that will interact with the [...]
  • Subjects: Genetics
  • Pages: 5
  • Words: 1432

Molecular Chaperones and Misfolded Proteins

The function of this system is to make sure of the conformity and maturity of proteins produced by blocking the deliverance of incompletely folded or misfolded proteins, which are then destroyed in the cytoplasm.
  • Subjects: Biology
  • Pages: 4
  • Words: 1288

Main Anthropology Concepts Analysis

Evans in the first of his trilogy "The Nuer: A description of the modes of livelihood and political institutions of a Nilotic people" has provided a very detailed perspective into the customs and practices of [...]
  • Subjects: Anthropology
  • Pages: 5
  • Words: 1512

Ethical Issues Involving Genetic Test Accounts

The unlocking of the human genome has opened the basic foundation of human life to the possibility of extensive alterations that, although sounding very promising in the short term, actually poses more of a problem [...]
  • Subjects: Genetics
  • Pages: 3
  • Words: 983

The European Realm: Politics and Economy

The geographers have connected the Eastern European countries to the Russian Realm. The European Union is a political and economic union of twenty-seven member states of Europe.
  • Subjects: Geography
  • Pages: 3
  • Words: 1055

Functions of Imagination in Paleontology

Paleontology involves the inquiry of living things like creatures, vegetations, and further beings that existed in the primitive period, that is, in excess of 5,500 years past. The creatures were living when the rocks were [...]
  • Subjects: Archeology
  • Pages: 10
  • Words: 2778

Conceptual Chemistry. Wind Turbine vs. Coal Energy

The current paper is aimed at considering and comparing traditional coal energy and the newly popular wind turbine energy in the context of their costs and environmental benefits.
  • Subjects: Chemistry
  • Pages: 2
  • Words: 560

Hominoid Evolution: Intelligence and Communication

It is through the use of senses that the hominids interacted with the environment.as feedback came from the environment internalization was done through the brains and thus facilitating the development of the cognitive aspect of [...]
  • Subjects: Evolution of Humans
  • Pages: 5
  • Words: 1317

The Rise of Anatomically Modern Homo Sapiens

Those species were called the 'homo Erectus, the modern form of which we have named the 'homo sapiens, or "us". The ridges of the eyes of homo sapiens are smaller in size compared to those [...]
  • Subjects: Anthropology
  • Pages: 3
  • Words: 812

Comparison Between Las Vegas and Boston

The comparison between Las Vegas and Boston are as discussed below Boston is on Eastern Standard Time while Las Vegas is in the western average time.
  • Subjects: Countries Studies
  • Pages: 2
  • Words: 596

Sociology. Republic of South Africa

4% of the vote in the election in 2004 and 14. The main ethnic groups in South Africa are Xhosa, Zulu, and Basotho.
  • Subjects: Countries Studies
  • Pages: 6
  • Words: 1892

Lowland Gorillas Species Review

There are two species of lowland gorillas; the western lowland gorilla and the Eastern lowland gorilla. Mountain gorillas are the darkest in color, followed by the Eastern gorilla, and the western gorillas respectively.
  • Subjects: Zoology
  • Pages: 10
  • Words: 2946

Going Public: IPO Capital and Execution Strategy

After careful analysis of what has been achieved within the current infrastructure of Gene One, the founding members of Gene One and the current board members are in agreement with the idea that Gene One [...]
  • Subjects: Agriculture
  • Pages: 7
  • Words: 1215

Activation Energy Barrier Definition

Any chemical reaction has a transitional state, which is characterized by a high level of available energy and can be described as a state of interacting molecules that corresponds to the peak of the activation [...]
  • Subjects: Chemistry
  • Pages: 2
  • Words: 629

Physical Anthropology Fields

The most attractive feature of the offered application is the topic of the research, i.e.hunting and agricultural activities of the North American Indians.
  • Subjects: Anthropology
  • Pages: 2
  • Words: 311

The Period of Religious Crisis

In addition the growth in the number of smaller cities meant that in countries which lacked a major metropolis, there was a considerable increase in the proportion of the population living in urban areas, however [...]
  • Subjects: Anthropology
  • Pages: 7
  • Words: 1763

Nuclear Magnetic Resonance Spectroscopy

Although the use of proton NMR has been applied for the determination of trace components such as the residual hydrogen in D2 O, the mixtures of dinitrotoluene, and the mixtures of drugs, its great merits [...]
  • Subjects: Chemistry
  • Pages: 13
  • Words: 3653

The United States’ Eugenics Movement

Eugenics is a term used to describe a process that is implemented in hopes of creating a better race of humans through the genes the parent generation passes down to the offspring.
  • Subjects: Genetics
  • Pages: 15
  • Words: 4207

Stem Cells Biology: Features and Researchs

Stem cells are cells that have the capacity to subdivide into other cells. The second property of stem cells is that they can develop into specialized cells in the differentiation process.
  • Subjects: Biology
  • Pages: 5
  • Words: 1492

Brody’s Study of Indians in British Columbia

With the all-consuming desire to get a race of people on to the road of development, there is a complete wiping away of customs, traditions and simple living that have been the mainstay of the [...]
  • Subjects: Anthropology
  • Pages: 5
  • Words: 1241

Brazil vs Nicaragua: Country Comparison

The country has major problems especially on the soil erosion that is caused by the cultivation of annual crops on the highlands steep slopes and also the depletion of the forests for wood products and [...]
  • Subjects: Countries Studies
  • Pages: 10
  • Words: 2660

Prions as Novel Infectious Agent

The most common TSE diseases include the Mad Cow Disease in cattle, Scrapie in sheep, and Chronic Wasting Disease in deer, elk, and moose."Different regions of the brain are affected by different prions".
  • Subjects: Biology
  • Pages: 5
  • Words: 1435

Evolution of Finches on Two Islands

The Beak Size directly influences the population of the finches, as the initial circumstances, set for both islands include the prevalence of hard seeds over soft seeds, and as the bigger beak mostly suits for [...]
  • Subjects: Zoology
  • Pages: 3
  • Words: 918

No to Cloning for Medical Research

Those who do not subscribe to cloning for biomedical research believe that the embryo is in fact "one of us"; a human life in process an equal member of the species "Homo Sapiens" in the [...]
  • Subjects: Biology
  • Pages: 6
  • Words: 1452

Global City Status Issue

The following are features of a global city; the first feature is that of the city being international that is well known all over the world.
  • Subjects: Geography
  • Pages: 9
  • Words: 2274

The Golden Lion Tamarin: Specie Status

The golden lion tamarin is one of the most endangered monkeys today. As with most of the activities in the day, sleeping is also done in groups.
  • Subjects: Zoology
  • Pages: 5
  • Words: 1340

The Scope of Use of Chromatography

In conclusion, the scope of use of chromatography is wide and through chromatography the study of chemistry has been made a much more rich experience.
  • Subjects: Chemistry
  • Pages: 2
  • Words: 708

Mountain Pine Beetles Review

The trees attack begin with the injured trees, trees with in poor site, infected trees in the roots or stem, fire damaged trees, overcrowded trees and the very old trees during the first stage of [...]
  • Subjects: Biology
  • Pages: 10
  • Words: 2394

Endangered Silverback Gorillas

Central Africa is the only place where mountain gorillas can be found, and the area of concern is confined to about 780 square kilometers of medium altitude forests northwest of Rwanda, southwest of Uganda, and [...]
  • 5
  • Subjects: Zoology
  • Pages: 12
  • Words: 3536

Targeted Gene Therapy: A Fantasy or a Reality?

The non-viral methods helped by increasing the simplicity of the introduction of the DNA into the body, the relatively less costly making of the drugs, and the absence of any immune response common to the [...]
  • Subjects: Genetics
  • Pages: 9
  • Words: 2403

Selfhood in C. Laderman’s and C. Levi-Strauss’s Works

His books include The Raw and the Cooked, The Effectiveness of Symbols, The Savage Mind, Structural Anthropology and Totemism. Laderman describes her feelings under the trance in such a way: As the vibrations of the [...]
  • Subjects: Anthropology
  • Pages: 15
  • Words: 3541

Corn Kernel Color Genetics

The report provides a study done for the trait of corn color for a monohybrid cross of two breeds of corn plants. The paper has examined the distribution of the dominant and recessive color of [...]
  • Subjects: Biology
  • Pages: 2
  • Words: 485

Whiteness Studies Importance and Impact

As a result of the establishment of the racial differences in the society, conflicts and debate arose on the fairness and the long-term feasibility of the white people's domination.
  • Subjects: Anthropology
  • Pages: 4
  • Words: 1072

Muslim Society, Life Meaning, and Discrimination

In order to engage in the issue of marriage, every Muslim is supposed to have an understanding of the marriage rights and obligations in order to be fit and qualified into the act.
  • Subjects: Anthropology
  • Pages: 2
  • Words: 734

Musical Expression and Sexual Selection

It is through the advent of evolutionary psychology that we are able to describe 'human nature' in context with the cognitive and emotional mechanisms of the contemporary human mind.
  • Subjects: Evolution of Humans
  • Pages: 10
  • Words: 2978

Re-Imagining New York: The Rise of Culture

It is very hard to trace the origin of the culture of a given society due to the complexity of people's in their originations and interactions between different persons of the world.
  • Subjects: Anthropology
  • Pages: 2
  • Words: 646

Biology. Cell Analogy – Nucleus + Nucleolus

The DNA is similar in every cell of the body, but depending on the specific cell type, some genes may be turned on or off - that's why a liver cell is different from a [...]
  • Subjects: Biology
  • Pages: 1
  • Words: 557

Cultural Anthropology. Islam: Origin and Beliefs

Its application in the Islam religion is meant to apply to the submission of people to the supreme supernatural being. There was a god of the moon, the sun goddess, and the god of the [...]
  • Subjects: Anthropology
  • Pages: 3
  • Words: 988

Medical Anthropology and Its Subfields

Medical anthropology is the science of ethnomedicine; elucidation of decease; what is the reason of decease; the appraisal of health, decease, and cure from both an ethic viewpoint; naturalistic and individual clarification, evil eye, the [...]
  • Subjects: Anthropology
  • Pages: 4
  • Words: 1082

Global Migration and Economic Globalization

So the interaction of global migration and globalization in the future will lead to economic equalization of life standards in all countries of the world.
  • Subjects: Geography
  • Pages: 2
  • Words: 634

The Impact of Darwinian Theory

If, being inside of the nature, we do not feel ourselves well and conveniently, and we test every possible pressure: the internal pressure in the person, pressure of a society, the environmental problems, the nature [...]
  • Subjects: Evolution of Humans
  • Pages: 3
  • Words: 762

Medical Anthropologists in Singer and Baer’s View

I think that if there is some unreasonable rule of behavior in contemporary society, the best way to implement a change that will be ethical and culturally accepted is through communication.
  • Subjects: Anthropology
  • Pages: 1
  • Words: 339

Failure to Thrive: The Inability of a Child to Grow

Studying FTT is important for the field of human development because of the need to understand the reasons for its development, implications for children and adolescents, as well as possible areas for research.
  • Subjects: Genetics
  • Pages: 4
  • Words: 1205

Biogeochemical Cycle: Nitrogen

The nitrogen cycle is a biogeochemical cycle that describes how nitrogen is converted to compounds and circulates through the air, water, and soil.
  • Subjects: Chemistry
  • Pages: 2
  • Words: 395

Farming and Regulations in California

The American government made multiple attempts to control the flow of immigrants to the county and the degree of their involvement in work in the agricultural industry.
  • Subjects: Agriculture
  • Pages: 4
  • Words: 1107

B12 Vitamin: Risks and Benefits

Vitamin B12, also known as cobalamin, is a water-soluble vitamin that contributes to blood cell formation, the work of the nervous system, and metabolism.
  • Subjects: Biology
  • Pages: 2
  • Words: 616

Anthropology: Ghost Dance Religious Cult

The cult of Ghost Dance symbolizes the gathering of people embraced by God and Wilson as His representative on earth; therefore, Wilson plays the role of a conduit to the divine.
  • Subjects: Anthropology
  • Pages: 2
  • Words: 597

Red Blood Cells: Debunking Health Myths

When the kidneys detect a decrease in the level of oxygen under circulation through the blood, they produce a hormone known as erythropoietin, which in turn activates the differentiation of various precursor cells for RBCs. [...]
  • Subjects: Biology
  • Pages: 2
  • Words: 605

Admirable Traits in Dogs

The candidates are not limited to humans and other dogs, and animals such as cats have been known to be under the protection of dogs.
  • Subjects: Zoology
  • Pages: 2
  • Words: 572

Islamic Anthropology and Theoretical Frameworks

This is the basis of his contribution to the anthropology of Islam, highlighting that the religion is best seen as a set of interpretive resources and practices based on texts and methodologies that Muslims view [...]
  • Subjects: Anthropology
  • Pages: 5
  • Words: 1391

Central African Republic’s History and Economy

The agricultural sector of the state economy remains the most developed one and the majority of citizens work in it. However, regardless of the existence of these factors, there are still many problems that affect [...]
  • Subjects: Countries Studies
  • Pages: 7
  • Words: 1974

Viruses: Are They Living or Non-Living?

I would like to outline the key characteristics of a living thing from a biological standpoint and show how viruses do not meet these criteria.
  • Subjects: Biology
  • Pages: 1
  • Words: 293

DNA Replication as a Semiconservative Process

The process of DNA replication has been studied extensively as the pathway to understanding the processes of inheritance and the possible platform for addressing a range of health issues occurring as a result of DNA [...]
  • Subjects: Genetics
  • Pages: 3
  • Words: 800

Livestock Food Production Issues

The failure to address animal welfare, health, and environmental concerns, as well as the intensification of livestock farming, contributes to the exasperation of challenges associated with livestock food production.
  • Subjects: Agriculture
  • Pages: 4
  • Words: 1119

Soybean and Deforestation in the United States

Economists and planters collaborate to identify additional areas for soybean production, neglecting the threat of elimination of rainforests and the inability for researchers to find out new ways of cultivating this plant.
  • Subjects: Agriculture
  • Pages: 6
  • Words: 1151

Caves Definition & Characteristics

The most general definition of a cave is a part of the Earth's core that has emptiness or open space which is connected with the surface in one or more places.
  • Subjects: Geography
  • Pages: 2
  • Words: 307

Engineering OleT Enzyme for Better Biofuel Yield

Consequently, rigorous research is ongoing to elucidate the properties and machinery of biological enzymes to facilitate the exploitation of biocatalysts in the chemical industry.
  • Subjects: Chemistry
  • Pages: 30
  • Words: 8140

Unknown Bacteria Identification Process

With the ability to identify bacteria according to various properties, we can discern the type and then the sensitivity of the bacteria.
  • Subjects: Biology
  • Pages: 2
  • Words: 552

Oceanography Studies and Instruments

The camera is produced by Shimadzu, one of the world's chief producers of analytical instrumentation. One of the most important tools used by physical oceanographers is the floating instrument platform.
  • Subjects: Geography
  • Pages: 2
  • Words: 548

Corn Plant’s Developmental Stages

After the emergence from the ground, the corn plant continues to grow and elongate over the next weeks to form a stalk.
  • 5
  • Subjects: Biology
  • Pages: 3
  • Words: 883

Chemistry: Environmental Pollution in Hungary

The acidification of water bodies leads to the death of numerous species that are susceptible to the presence of acid. Part of the problem is caused by the fact that Hungary is currently forced to [...]
  • Subjects: Chemistry
  • Pages: 3
  • Words: 933

Iron Sources, Properties and Usage

It is mainly found in the form of oxides and banded iron formations. Iron is an important component in the production of energy.
  • Subjects: Chemistry
  • Pages: 2
  • Words: 584

Periodic Table Characteristics

The table is best illustrated by vertical and horizontal lines of elements with the latter called groups while the former are called elements.
  • Subjects: Chemistry
  • Pages: 3
  • Words: 864

“Miracle Fruit Secret Revealed” by Ehrenberg

Also, the sweet-sensing machinery of the tongue is said to work effectively in acidic flavors such as carbonated drinks and citrus. This is a massive discovery, especially because it emphasizes the ability of the protein [...]
  • 5
  • Subjects: Chemistry
  • Pages: 2
  • Words: 601

Waxes and Greases Production and Specifications

In plants, the waxes are found on the cuticles, fruits, and leaves among other parts of the plants. In this light, bees and spermaceti produced the animal wax that was the main source of wax [...]
  • 5
  • Subjects: Chemistry
  • Pages: 14
  • Words: 3837

Green Chemistry for Consumer Products

Green chemistry can be described as the abolition of the use or production of harmful substances in the creation, making, and use of chemical commodities.
  • Subjects: Chemistry
  • Pages: 8
  • Words: 2195

OleT Enzyme Engineering to Improve Biofuel Yield

The geometry of the reactant complex was optimized and scanned to find the lowest energy pathway to bond hydrogen and oxygen atoms of abstraction of the closest hydrogen from the alpha and beta carbons in [...]
  • Subjects: Chemistry
  • Pages: 50
  • Words: 15034

Long Lived Radionuclides in UAE Urban Soil

The amount of radionuclides depends on the concentration in soil, leachability of radionuclide and the solubility, and the sorption capacity of soil particles [2].
  • Subjects: Chemistry
  • Pages: 17
  • Words: 4670

X-Ray Fluorescence Experiment for Salt Samples

The weighed salt sample was then put in a sample press machine to be flattened after which the height of the flattened sample was measured and found to be 4 cm.
  • Subjects: Chemistry
  • Pages: 3
  • Words: 831

Isotope Ratio Mass Spectroscopy of Cheese

The purpose of this study was to use isotope ratio mass spectroscopy to determine isotopic disparities of 15nitrogen, 13carbon and 2hydrogen in six cheese samples and distinguish them based on geographic, geological and agricultural practices. [...]
  • Subjects: Chemistry
  • Pages: 5
  • Words: 1495

Spectroscopy as the Detecting Oil Fraud Tool

Because of the efficacy with which spectroscopy allows determining the status of oil and the analysis of its compounds, the specified tool should be recognized as superior in detecting the cases of oil fraud.
  • Subjects: Chemistry
  • Pages: 1
  • Words: 303