Natural Sciences Essay Examples and Topics. Page 17

2,730 samples

Pfiesteria Piscicida: Classification and Analysis

Pfiesteria piscicida is a single-cell, a microscopic organism found in the environment for millions of years. 8S regions agree to the placement of Pfiesteria in the Peridiniales or a group between the Peridiniales and the [...]
  • Subjects: Biology
  • Pages: 7
  • Words: 1704

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

Clifford Geertz’s Contribution Anthropology Summary

There are important personalities that offered their knowledge and career in the study of the patterns and ideas related to the way people live and interact in the society in relation to a dynamic interplay [...]
  • Subjects: Anthropology
  • Pages: 4
  • Words: 1018

The Life of James Oglethorpe

He is credited with the founding of the colony of Georgia, which was motivated by his desire to resettle the poor lot in England, especially the prisoners convicted of debts, into America.
  • Subjects: Geography
  • Pages: 4
  • Words: 1099

Infectious Bacterial Identification From DNA Sequencing

The first is the preparation of the DNA sequence and matching it with the database of known DNA sequences. Given below is a screenshot of the process PCR Amplification: To prepare the polymerase chain reaction, [...]
  • Subjects: Biology
  • Pages: 2
  • Words: 1030

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

Gene Delivery Methods Analysis

This method is one of the successful physical methods of gene delivery, which have shown good results and a 10 to 20 fold increase in the permeation of the genetic material.
  • Subjects: Genetics
  • Pages: 9
  • Words: 2767

Drug Delivery. Simulated Intestinal Fluids Development

As the use of physiological conditions in Caco-2 cell transport studies affects the transport of compounds, the general purpose of the research "was to identify a simulated intestinal fluid containing physiological relevant surfactants and nutrients [...]
  • Subjects: Biology
  • Pages: 8
  • Words: 2244

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

Skeletal Muscle Physiology Using the Gastrocnemius of a Frog

Normally a muscle contraction begins with an action potential from the CNS through an alpha motor neuron, which is then responsible for transmitting an action potential down its own axon to the motor endplate resulting [...]
  • Subjects: Zoology
  • Pages: 5
  • Words: 1177

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

“The Most Important Fish in the Sea” by Joe Dupree

The article under consideration focuses on the disaster that shark populations have faced: the present collapse of great shark populations is worse than any in the known history of the ancient predators.
  • Subjects: Biology
  • Pages: 2
  • Words: 568

Sichuan’s Role in China’s Overall Development

Today, Sichuan is one of the main industrial bases in China. There are heavy and light industries, all contributing to the industrial output of Sichuan and China in general.
  • Subjects: Geography
  • Pages: 6
  • Words: 1488

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

Barley Production in Australia

Nevertheless, the focus on sustainable development of the business and the use of tools that contribute to the growth of the project require that the present supply chain should be expanded to the context of [...]
  • Subjects: Agriculture
  • Pages: 3
  • Words: 856

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

Soil Degradation as an Issue Facing Agriculture

The most informative indicators of purely hydrological degradation of soils are a decrease in the total moisture capacity of the soil and a reduction in the lowest moisture capacity of the soil, which characterizes the [...]
  • Subjects: Agriculture
  • Pages: 3
  • Words: 923

Medical Anthropology for Solving Health Problems

In Singer and Baer's book, anthropology is viewed as a critical component of the medical sphere, helping to define reasons for a person's health or non-health problems.
  • Subjects: Anthropology
  • Pages: 1
  • Words: 289

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

Trisomy 21: Characteristics of the Syndrome

Concerning the clinical presentation of trisomy 21, it is necessary to notice that there are various specific features that occur in all Down syndrome population, such as craniofacial abnormality, learning, and physical disabilities.
  • Subjects: Genetics
  • Pages: 7
  • Words: 1992

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

Biological Control Against Powdery Scab of Potato

In short, the project aims to create a management practice that makes use of biological control agents to provide reliable and full control of powdery scabs of potatoes.
  • Subjects: Agriculture
  • Pages: 5
  • Words: 1377

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

Phagocytosis Mechanism in Higher Animals

The phagocytosis process can only occur after the phagocyte binds to the receptors on the surface of the bacteria. If the phagocyte is not compatible with the available receptors, blood proteins, which are called opsonins, [...]
  • Subjects: Biology
  • Pages: 3
  • Words: 868

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

Demographics: East Side Ward of Newark, New Jersey

The city of Newark, New Jersey, is the largest city in the state, although it is not the state capital. Currently, as stated above, the majority of the city's population is black, with the following [...]
  • Subjects: Geography
  • Pages: 2
  • Words: 582

The Grandfather of Structure: Claude Levi-Strauss

This paper will provide his brief biography, the historical context in which his theories were created, his educational background, influences, contemporaries, and how his theory is applied in the field of anthropology. This time was [...]
  • Subjects: Anthropology
  • Pages: 4
  • Words: 1096

Cannibalism from an Anthropological View

Cultural relativism is a trend in the study of the culture of peoples, which recognizes the absolute equality of each culture, the right to identity, and incommensurability with other cultures.
  • Subjects: Anthropology
  • Pages: 5
  • Words: 1444

The Turtle Evolution Concept

However, recent developments in the field of evolutionary biology led some scientists to believe that the purpose of the 'shell' was different at first. On the contrary, wide and thick ribs allowed the ancestor of [...]
  • Subjects: Zoology
  • Pages: 1
  • Words: 302

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

Bean Beetles and Oviposition Experiment

Then, the chi-squared test was performed to determine if the differences between the observed and the expected number of eggs laid on each bean were statistically significant.
  • Subjects: Zoology
  • Pages: 4
  • Words: 1131

Microbial Biotechnology and Pharmaceutical Impact

Microbes have a vital role in the pharmaceutical industry, being used in the production of antibiotics, probiotics, vaccines, and quality tests to prevent microbial contamination of the medicine developed.
  • Subjects: Biology
  • Pages: 1
  • Words: 312

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

Sri Lanka’s Modernization and Restructuring

A professed abolishment of the caste system, heavy Buddhist influences, and a powerful president, who holds the roles of both head of government and commander-in-chief of the country's armed forces, are all Sri Lankan realities.
  • Subjects: Countries Studies
  • Pages: 4
  • Words: 1114

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

Bacteria and Their Positive and Negative Effects

However, the described assumption is quite far from the truth, with a significant number of bacteria being not only useful but also essential to the functioning of the human body and the sustenance of life.
  • Subjects: Biology
  • Pages: 1
  • Words: 335

Glycolysis Process and Regulation

Glycolysis is the first step in cellular respiration, and it is an anaerobic process that takes place outside of mitochondria. In this step, the phosphate group is detached and taken in by ADP, turning it [...]
  • Subjects: Biology
  • Pages: 1
  • Words: 295

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

Plasmids, Their Characteristics and Role in Genetics

Some plasmids, such as the F-plasmid, have the ability to exist in bacterial cells in two states, which are physically independent of the chromosome and integrated with the chromosome.
  • Subjects: Genetics
  • Pages: 1
  • Words: 311

Balearic Islands History, Culture & Facts

The Balearic Islands are a Spanish archipelago in the Mediterranean Sea. After the Spanish War of Succession, in 1715, the islands were occupied by the Bourbon monarchy.
  • Subjects: Geography
  • Pages: 1
  • Words: 400

The Yanomami People and Their Development

One of the most remarkable features of the Yanomami is that they did not develop into an advanced civilization. The two factors affecting the development of the Yanomami people are now regarded as positive concepts [...]
  • Subjects: Anthropology
  • Pages: 1
  • Words: 282

Botany and Zoology in the Classroom

What are the Purposes of the Botany and Zoology Areas in the Classroom? The role of a teacher is to prepare botany and zoology areas.
  • Subjects: Biology
  • Pages: 7
  • Words: 1631

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

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

Plant Growth and Development With Music

The study by Kroeze is focused on the ability of plants to listen to music. The article by Landhuis is dedicated to the ability of plants to hear danger that comes in the form of [...]
  • Subjects: Biology
  • Pages: 3
  • Words: 665

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

Polymer and Fiber-Reinforced Concrete

The objective of this report is to evaluate the properties, limitations, and prospects of future applications of fiber-reinforced concretes and polymer reinforced concretes.
  • Subjects: Chemistry
  • Pages: 40
  • Words: 11030

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: 16
  • 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 with Salt

The salt sample was then put in a plunger to be compressed followed by measuring the height of the compacted sample, which was 7 cm. Other chemical elements that were found in the salt specimen [...]
  • Subjects: Chemistry
  • Pages: 3
  • Words: 878

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

The Antioxidant Properties of Peptides

The explanation of the activity for Trp and Tyr is based on the ability of the indolic and phenolic groups to perform as hydrogen donors.
  • Subjects: Chemistry
  • Pages: 2
  • Words: 561

Alcoholic Fermentation and Metabolic Traits

Furthermore, researchers intended to investigate the impact of human selection on strains' food processing in addition to studying both the genetic variability and plasticity of different fermentation products between strains and food processes.
  • Subjects: Chemistry
  • Pages: 2
  • Words: 594

Hydrogen Bonds: Chemical Properties

It is possible to have these properties due to the presence of hydrogen bonds within the molecules of liquid water. It is the presence of a significant number of hydrogen bonds that allow for the [...]
  • Subjects: Chemistry
  • Pages: 6
  • Words: 1642

Electron Configuration and Behavior in Chemistry

Since the equation, =E , yields unique energy, which describes distinctive waves that define the probability of finding an electron in the space of an atom, Schrodinger presented another characteristic, namely, the particulate behavior of [...]
  • Subjects: Chemistry
  • Pages: 4
  • Words: 1198

The Photosynthesis Rate of Waterweed

In this experiment, it was hypothesized that the rate of photosynthesis rises with an increase in the concentration of carbon dioxide and went on to test the hypothesis.
  • Subjects: Chemistry
  • Pages: 10
  • Words: 2767

Carbon Cycle and Climate History of the Earth

This paper will discuss the carbon cycle, which is the continuous movement of carbon atoms through different paths, with a focus on the two major divisions of the process and the human impact on the [...]
  • Subjects: Chemistry
  • Pages: 5
  • Words: 1422