Natural Sciences Essay Examples and Topics. Page 11

2,294 samples

The Development of the Neural System and Genetic Program

In the process of determining the connections worth keeping, a person's brain takes into account their lived experiences and daily life, which in turn shape the direction of a person's neural growth.
  • Subjects: Genetics
  • Pages: 2
  • Words: 575

The Social Mission of the Dubai Customs

Understanding the functions of the state system, and most importantly, the significance, essence, and content of these functions by the management and employees of the customs service have a severe impact on the formation and [...]
  • Subjects: Countries Studies
  • Pages: 3
  • Words: 856

DNA Barcoding Sequence Analysis of Unknown Plant

The efficiency of this instrumental method is built on the idea of close similarity in the structure of DNA molecules to be more precise, the arrangement of nucleotides in it between closely related species: the [...]
  • Subjects: Biology
  • Pages: 5
  • Words: 1315

World’s Oldest Industrial-Scale Brewery Identified at Abydos

The site was previously excavated by the UK in the 20th century, but the finding's importance was underestimated. The building's proximity to the royal necropolis implies that beer had a ritualistic significance, which is supported [...]
  • Subjects: Archeology
  • Pages: 2
  • Words: 409

Territorial Claims of Antarctica and the Antarctic Treaty

Given this argument, the paper traces the history of Antarctica to fully explore how and why the claims came about, the individual claims of the countries and the treaty and the system it is included [...]
  • Subjects: Countries Studies
  • Pages: 20
  • Words: 5458

The Pomegranate or “Punica Granatum L.”

In ancient times, the Old Testament of the Bible, the Jewish Torah, and the Babylonian Talmud describe the pomegranate as a divine fruit conferring forces of fertility, good luck, and abundance.
  • Subjects: Biology
  • Pages: 4
  • Words: 1184

“Twenty-First Century Socialism”

Ellner believes that Chavez is still supported by his people, at least the majority of them, in support of this claim Steve points to the fact that Chavez' party won a majority of the gubernatorial [...]
  • Subjects: Countries Studies
  • Pages: 2
  • Words: 629

Free Radicals, Oxidative Stress, and Antioxidants

The presence of ROS in excess causes oxidative stress in the body, leading to the oxidation of proteins and lipids and the transformation of their structures and roles in the body.
  • Subjects: Chemistry
  • Pages: 6
  • Words: 1666

Key Terms in Anthropology

Firstly, it provides the field of paleoanthropology with precious fossils to analyze the hominin species. This complicated process leads to the creation of a face that combines both human-like and primitive traits.
  • Subjects: Anthropology
  • Pages: 3
  • Words: 839

Genetic Disorder: “A Genetic Link to Anorexia”

The author effectively proves that the development of anorexia nervosa may occur not only due to the exposure to the social pressure of beauty standards, but also the presence of a genetic predisposition.
  • Subjects: Genetics
  • Pages: 1
  • Words: 279

Charles Darwin’s Scientific Works and Their Importance

The fact that the biological world probably evolved according to Darwin's way caused dissonance and denial in society, caused by contradictions with their usual picture of the world. It is a mistake to think that [...]
  • Subjects: Evolution of Humans
  • Pages: 5
  • Words: 983

Analysis of China’s Plans for Greenhouse Gas

The sustainable development of the world countries in the context of increasing greenhouse gas emissions is impossible without the creation of measures to solve this problem, and China is no exception to the rule.
  • Subjects: Geography
  • Pages: 6
  • Words: 1695

Genetic Enhancement: Ethical Aspect

In addition, it can take the shape of cosmetic modifications, which change the overall basis of human uniqueness and the unalterable aspect of the human body.
  • Subjects: Genetics
  • Pages: 2
  • Words: 596

Sleep Deprivation and Insomnia: Study Sources

The topic of this audio record is a variety of problems with sleep and their impact on an organism. They proved the aforementioned conclusion and also paid attention to the impact of sleep deprivation on [...]
  • Subjects: Biology
  • Pages: 2
  • Words: 748

The Kingdom Fungi: The Structure, Characteristics

It is a kingdom of living organisms that contains eukaryotic, heterotrophic organisms whose cells are enclosed by cell walls. Their cell organelles are bound by membranes hence the name eukaryotic.
  • Subjects: Biology
  • Pages: 8
  • Words: 849

Biochemical Oxygen Demand Measurement

The essence of the method of measuring BOD is to establish the concentration of molecular oxygen in the water sample immediately after the selection and after incubation periods of the sample.
  • Subjects: Chemistry
  • Pages: 3
  • Words: 397

Scientists Convincing Science and Society

According to, there are a number of scientists that were involved in studies with an objective of convincing the society as well as science that the molecule of heredity is DNA.
  • Subjects: Biology
  • Pages: 3
  • Words: 929

Cell Creation. Basic Characteristic of Life

The following paper would outline a process which would allow the researcher to grasp an understanding of the way life is created in order to fulfill all the different functions and operations of a cell.
  • Subjects: Biology
  • Pages: 2
  • Words: 687

The Evolution Of Cell Types: Evolution of a Menace

Antibiotic resistance The capability of a bacterial species to survive the impact of the administration of chemicals that are designed to induce death is known as antibiotic resistance.
  • Subjects: Biology
  • Pages: 2
  • Words: 519

Blood Stem Cell Self-Renewal and Differentiation

One of the distinct cells in the blood or hematopoietic stem cell. Due to this functionality, the blood and skin cells' pose the greatest ability of differentiation and self-renewal.
  • Subjects: Biology
  • Pages: 5
  • Words: 1418

Plant Resource Allocation: Materials and Methods

The nutrients obtained by the plant are used in the growth and development of various plant parts. Thus, plants have mechanisms of regulating the distribution of nutrients and biomass to various parts of the plant.
  • Subjects: Biology
  • Pages: 4
  • Words: 1182

How SCOBY Changes Its Environment: Lab Experiment

The means of SCOBY growth in black tea, green tea, chamomile tea, and distilled water are not significantly different. The means of SCOBY growth in black tea and distilled water are not significantly different.
  • Subjects: Biology
  • Pages: 4
  • Words: 1214

Male Reproductive System and Anatomical Structures

Male and female reproductive systems have several similarities including the fact that most of the reproductive organs are developed from similar embryonic tissue that make these organs homologous. In male and female reproductive systems, [...]
  • Subjects: Biology
  • Pages: 4
  • Words: 908

Pinacol Rearrangement and Alcohol Reactions Lab

The purpose of this experiment is to use the researcher's background knowledge on alcohol reactions to explain more complex reactions. The objective of this reorganization is to generate a ketone.
  • Subjects: Chemistry
  • Pages: 8
  • Words: 2200

Acid Extraction by Acid-Base-Coupled Extractants

Acetylsalicylic acid Physical properties Acetylsalicylic acid exists in the form of white crystals with a molecular weight of 180. The figure below shows the structure of acetylsalicylic acid Acetylsalicylic acid is soluble in water with [...]
  • Subjects: Chemistry
  • Pages: 10
  • Words: 3105

Search for Intelligence: Acquisition of Intelligence

A few scincetist have delved into the uncharted territory that tries to connect intelligences and the occurrences of certain genes. In from studies and careful analysis of the brain, scientists have made certain interesting discoveries.
  • Subjects: Biology
  • Pages: 2
  • Words: 563

Fuels Fat: Energy Balance and Metabolism

A gross rise in the increase of weight has led to serious scientific research and debates to come up with the most efficient way to regulate the human body weight.its worth noting that the main [...]
  • Subjects: Biology
  • Pages: 2
  • Words: 518

Euclea Divinorum: Distribution and Dispersion

The paper will study the dispersion and distribution of the tree and the shrub types of Euclea divinorum. The plot that will be followed in this paper is from the common distribution of the organisms.
  • Subjects: Biology
  • Pages: 3
  • Words: 868

A Brain Anatomy and the Sexual Orientation

Second, the paper by Byne et al.not only studied the volume of the various interstitial nuclei of the human anterior hypothalamus, but also focused on investigating if the cell number in the various nuclei has [...]
  • Subjects: Biology
  • Pages: 2
  • Words: 617

Impact of Electromagnetic Fields on Circulation System

In order to see if people are really at risk of having health issues because of ELF MF, the researchers paid attention to the changes in the sample's heart rate, arterial pressure, and skin blood [...]
  • Subjects: Biology
  • Pages: 2
  • Words: 281

How Glacier Mass and Mass Balance Are Linked

The entire process requires such inputs as rain, snow, and hail to help promote the accumulation and output, such as erosion, percolation, and melting of the ice to assist in the reduction of the ice.
  • Subjects: Geography
  • Pages: 1
  • Words: 338

Literacy and Numeracy in the Geography Subject Area

In the given sample, the student, Pat, demonstrates the basic understanding of the topic, and her skills seem to be poor. The presented sequence of lessons is designed to improve students' numeracy and literacy skills [...]
  • Subjects: Geography
  • Pages: 7
  • Words: 1996

Perception of Spoken and Written Language

The cochlea is a spiral fluid filled structure and it propagates the vibrations from the fluid to the nerve impulses that direct them to the brain via the auditory nerve which is a collection of [...]
  • Subjects: Biology
  • Pages: 4
  • Words: 1243

What Enzymes Are and How Do They Work

Enzymes should be in a proper shape to function well and resemble the way a key in the lock functions and they way it is affected by the nature.
  • Subjects: Biology
  • Pages: 3
  • Words: 871

Climate Change and Threat to Animals

In the coming years, the increase in the global temperatures will make many living populations less able to adapt to the emergent conditions or to migrate to other regions that are suitable for their survival.
  • Subjects: Biology
  • Pages: 2
  • Words: 573

Decaffeinated Coffee Is Not Caffeine-Free

This is what triggered the research fronted by the Professor to determine the degree of caffeine in decaffeinated coffee brands, in the market.
  • Subjects: Chemistry
  • Pages: 5
  • Words: 1405

Plant Variety Protection Analysis

Due to the existence of the law on the protection of plant varieties, the world has a stable supply of food.
  • Subjects: Agriculture
  • Pages: 13
  • Words: 3821

“Molecular Insights Into Classic Examples of Evolution”

Current research, as discussed by the symposium speakers explicitly cited in this article, reveals that genetics plays a fundamental role in evolution science and it is indeed the mutation of genes that actually allows organisms [...]
  • Subjects: Biology
  • Pages: 2
  • Words: 568

“Design and Evaluation of Fragment-Like Estrogen Receptor”

The report entails a summary of the experimental design and synthesis of the THIQ derivatives, the biochemical evaluation of the THIQ fragments, and the structural evaluation of the THIQ fragments as described in the article.
  • Subjects: Chemistry
  • Pages: 2
  • Words: 772

Determination of M2+ Ions in Mineral Water

Titrometry is one of the techniques that chemical analysts use to determine the concentration of metal ions in mineral water. A buffer is necessary to provide suitable pH for the complexing of EDTA with metal.
  • Subjects: Chemistry
  • Pages: 3
  • Words: 1022

Brain Injury While Football Playing

The main reason for conducting this research is to understand the dependency of the head injuries got in childhood after the development and changes in the human brain in adulthood.
  • Subjects: Biology
  • Pages: 3
  • Words: 882

Biodiversity and Food Production

This paper will analyze the importance of biodiversity in food production and the implications for human existence. Edible organisms are few as compared to the total number of organisms in the ecosystem.
  • Subjects: Agriculture
  • Pages: 7
  • Words: 1995

Non-Homologous-End Joining, and Homologous Recombinational Repair

These included the role of DNA polymerase beta during long patch base excision repair in mammals, the exonuclease activity of Artemis on DNA-PK-dependent processing of DNA ends in NHEJ-catalyzed DSB repair, and disorders that arose [...]
  • Subjects: Genetics
  • Pages: 14
  • Words: 3841

Dolphins Sleeping Pattern

Lymin et al.note that dolphins' sleep is associated with a unihemispheric pattern that helps them to keep swimming even when they are asleep.
  • Subjects: Zoology
  • Pages: 2
  • Words: 563

The Chemical Communication System

The appropriate elaboration of this communication is through the study of Biological Engineering, which is an application of different concepts and methods of biology to get solutions to life sciences.
  • Subjects: Chemistry
  • Pages: 2
  • Words: 544

The Case of Human Cloning at Kyunghee University

The objective of the KUMC in the research was to conduct in vitro fertilization of the ova but the researchers went ahead and performed human cloning using some of the ova that they had obtained [...]
  • Subjects: Genetics
  • Pages: 8
  • Words: 2221

Allometric Scaling of Maximal Metabolic Rate in Mammals

All through their investigations and findings, the researchers attempt to uncover the paper's hypothesis that stated, "To determine the factors that influence MMR in mammals". To select the best data, the researchers employed the standardized [...]
  • Subjects: Biology
  • Pages: 4
  • Words: 1095

The Size Variation and Zonation

Gastropods constitute one of the major groups of the molluscs that also comprise the Bembicium nanum in the top shell category. The objective of this study is to evaluate the size variation and Zonation in [...]
  • Subjects: Biology
  • Pages: 3
  • Words: 923

Tasmanian Devil’s Facial Tumor Disease

The disease was first discovered in the early 1990s, when some researchers noticed that the faces of the devils had defects and were disfigured in the Northern part of Tasmania.
  • Subjects: Zoology
  • Pages: 3
  • Words: 860

Vision, Its Structure and Function in Humans

Light enters the eye through the cornea and passes through the iris to the retina where it is focused. Photoreceptor cells are linked to the optic nerve fibers and make the image more visual.
  • Subjects: Biology
  • Pages: 2
  • Words: 179

Mendelian Corn Genetics: An Experiment

Seeds are then sorted out on the basis of their color and shape and the obtained data recorded adjacent to the respective phenotypes. Determine the 2 value for each experiment, and use the table of [...]
  • Subjects: Agriculture
  • Pages: 3
  • Words: 484

Greenhouse Gases Produced by Grasslands

This discovery shows that the emission of Methane not only depends on the species of the plant, but also the condition in where they are growing.
  • Subjects: Chemistry
  • Pages: 2
  • Words: 595

Methoxyprazin in Aroma of Wine (Sauvignon)

The occurrence of isobutylmethoxypyrazine-like aroma in the making of wine is regularly associated with the grape variety, which proves that the methoxypyrazines are produced under genetic control in the grape berry.
  • Subjects: Chemistry
  • Pages: 4
  • Words: 1163

Senses and the Endocrine System

The individual functions of the individual organs of the body ensure that the body is at some equilibrium; all needs of the body are met.
  • Subjects: Biology
  • Pages: 3
  • Words: 828

Chemistry: Cooking Temperatures

Specific temperatures, therefore, are needed to be observed during the preparation of specific foodstuffs and, of course, for specific durations. The range of temperatures between 41 F to 135 F also known as the danger [...]
  • Subjects: Chemistry
  • Pages: 3
  • Words: 866

Unknown Bacteria Under Microbiology Lab Tests

The mixture of water and medium was then poured into the petri dish and swirled to completely cover the surface. The colour of the colony was then observed.
  • Subjects: Biology
  • Pages: 4
  • Words: 1164

Bacteria Identification: Enterobacter Aerogenes

However, it is sensitive to most of the antibiotics specific to the bacterium although the sensitivity is easily lost due to its unique mechanism for resisting antibiotics particularly through the production of lactamase enzyme.
  • Subjects: Biology
  • Pages: 4
  • Words: 1096

Carbon Monoxide (CO) Poisoning

Carbon monoxide poisoning is a situation where the inhaled amount exceeds the acceptable levels and cause undesired effects to one's body. This is one of the main laboratory evidence of carbon monoxide poisoning which was [...]
  • Subjects: Biology
  • Pages: 4
  • Words: 1169

Conduction Phenomena in LI-Ion Batteries

Other challenges the researchers face are the constantly changing conduction properties of the anode and the difficulty in measuring the conductivity and microstructure of the solid-electrolyte film.
  • Subjects: Chemistry
  • Pages: 6
  • Words: 1669

Inherited Mutant Gene Leading to Pompes Disease

The main challenge in treating the disease lies in the manner in which it rapidly progresses and the high rates of mortality associated with it. The insufficiency of GAA results in accumulation of glycogen in [...]
  • Subjects: Genetics
  • Pages: 9
  • Words: 2564

The Rhizoremediation for Plant

The structure of the DNA dictates the external features the plant express which have widely been used to determine the kind of a plant environment in which they fit.
  • Subjects: Biology
  • Pages: 6
  • Words: 1903

Acute Acrylonitrile Toxicity

The metabolism of acrylonitrile is via multiple pathways but the main one involves the pairing of acrylonitrile with glutathione-S-transferase as a catalyst.
  • Subjects: Chemistry
  • Pages: 2
  • Words: 556

Epigenetics of High Fructose Corn Syrup at a Molecular Level

Increasing or decreasing the amount of glucose concentration level in the blood, directly affects the concentration of fructose in blood, since they all act as determinants of the overall blood concentration In this case, high [...]
  • Subjects: Genetics
  • Pages: 2
  • Words: 755

Comparison Mercury Testing in Fish Tissue Samples

For validity and reliability of the results, sample blanks are analyzed alongside the samples to ensure that no contamination is carried over to the next sample and also to check the accuracy of the analytical [...]
  • Subjects: Chemistry
  • Pages: 2
  • Words: 623

Organ Systems: Functions and Malfunctions

Growth hormone, produced from the anterior side of the pituitary gland, is one example of the hormones that regulate essential processes in the body.
  • Subjects: Biology
  • Pages: 3
  • Words: 827

Benadryl: Structure, Properties, Interesting Facts

The organic compound has the following structure: The compound is highly soluble in water and alcohol because it is a polar organic compound and has a molecular weight of 291.82.
  • Subjects: Chemistry
  • Pages: 2
  • Words: 671

Brine Shrimp Habitat

Not only in the natural water bodies can brine shrimps survive but also in artificial places as long as the water that they are in is salty.
  • Subjects: Biology
  • Pages: 2
  • Words: 534

Preparation and Properties of an Aqueous Ferrofluid

A ferrofluid is a liquid that contains very small pieces of a magnetic substance and hence acquires its magnetic properties when placed in a magnetic field. A ferrofluid primarily consists of small particles which are [...]
  • Subjects: Chemistry
  • Pages: 5
  • Words: 1385

Inhibiting Grass Growth by Salt

The practice results in an increase in concentration of salt in the soil and/or accumulation of salt on the foliage. Road salt inhibits the growth of grass.
  • Subjects: Biology
  • Pages: 2
  • Words: 591

Counterarguments to Human Cloning

One of the most controversial is the attempt to reproduce an exact replica of a human being through the process of cloning.
  • Subjects: Evolution of Humans
  • Pages: 3
  • Words: 851

Energy Intake and Expenditure Analysis

Determination of relationship between energy intake and energy expenditure is therefore important aspect towards determination of maximal energy expenditure, optimization of fat expenditure as secondary source of energy after carbohydrates and capacity to achieve energy [...]
  • Subjects: Chemistry
  • Pages: 4
  • Words: 1366

Consideration of the Reproductive Systems

In fact, reproduction in living things is classified as asexual or sexual depending on the nature of the reproduction. Cell division is essentially the process that occur in the cell, which lead to division or [...]
  • Subjects: Biology
  • Pages: 2
  • Words: 570

Modern East Asians and Denisovans Share Genetic Material

The researchers did not explain the specific mode of delivery of the genetic material through hybridization thus it must be assumed that the Denisovans in Siberia were able to travel to Southeast Asia and intermarry [...]
  • Subjects: Anthropology
  • Pages: 6
  • Words: 1671

Uranium Mining and Issues Tied to It

Because the effects of radiation can be far reaching on the health of the workers and the people living in close proximity to areas where uranium is mined authorities should ensure that they provide information [...]
  • Subjects: Chemistry
  • Pages: 6
  • Words: 1863

Evolution: Debunking Darwin’s and Lincoln’s Contributions

Although this statement is intended to demonstrate how life has generally evolved owing to the immense contributions of Darwin in the sciences and Lincoln in politics and democracy, it lacks merit as there were other [...]
  • Subjects: Evolution of Humans
  • Pages: 4
  • Words: 1190

What Is Mitochondria and What Functions Does It Have

The ratio of the proteins found in the mitochondria is the same as that found in the eukaryotic cell. The space between the inner and outer membrane has the same amount of ions and sugars [...]
  • Subjects: Biology
  • Pages: 4
  • Words: 1095

Indirect Definition of the Unit of a Penny Weight

The beaker containing all the available pennies and, also the beaker plus half the number of pennies were to be separately weighed and recorded initially before the commencement of the experiment.
  • Subjects: Chemistry
  • Pages: 2
  • Words: 688

The Gay Gene: Understanding Human Sexuality

If this gene existed and it was similar to a gay gene, it would explain the difference in gay people. If this happened, there would be a great change in the way gay people are [...]
  • Subjects: Genetics
  • Pages: 4
  • Words: 1219

Evolutionary Theory: Misconceptions Analysis

This is why scientists argue that when it comes to evolution, it is both a fact and a theory. It is a random mass of code that may be serving a certain purpose in the [...]
  • Subjects: Evolution of Humans
  • Pages: 3
  • Words: 824

Lipids: Fatty Acids and Glycerols

The membrane, made up of lipids, facilitates the fluid movement and transportation of the vital elements of the cell. A lack of these vitamins in the body leads to various diseases and conditions.
  • Subjects: Biology
  • Pages: 3
  • Words: 916

Coffee in the Development of High Blood Sugar

These high levels of glucose in the blood may even lead to the death of the victim. The net effect of this condition is high glucose levels in the blood plasma of the victim.
  • Subjects: Biology
  • Pages: 4
  • Words: 1126

Aspects About Zebrafish – Eco, Physio, and Behavior

The development of the embryo of a zebrafish begins immediately after the hatching of the egg and if the eggs are not fertilized, the development of the embryo stops after a few cell divisions.
  • Subjects: Biology
  • Pages: 5
  • Words: 1400

Viral Inhibitor of Human Caspases

This is especially so given the fact that throughout the development of this nematode, the number of cells in the organs is highly controlled and almost all mature C.elegans contain the same number of cells [...]
  • Subjects: Biology
  • Pages: 2
  • Words: 879