Natural Sciences Essay Examples and Topics. Page 11

2,730 samples

“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

Application of N-Hydrocyclyc Carbenes in Antitumor Metallodrugs

To satisfy the reader, the author looked at the various physical and chemical properties of N-Heterocyclic carbenes. The main argument is the application of the N-Heterocyclic carbene in the development of possible antitumor metallodrugs.
  • Subjects: Chemistry
  • Pages: 9
  • Words: 2395

Phenotype Description of Drosophila

Given that the mutant has dark-brown eyes, an appropriate name for the mutant is 'cocoa' because the color of the eyes and their shape resemble cocoa grains.
  • Subjects: Biology
  • Pages: 2
  • Words: 287

The Chemical Composition of Food

Secondly, the liver makes most of the cholesterol in the body which is still not important and the body takes only about 50% of the cholesterol in the food eaten and the rest is eliminated [...]
  • Subjects: Biology
  • Pages: 2
  • Words: 752

“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

How Blood Transports Respiratory Gases in the Body

The blood cells are mainly the red blood cells and the white blood cells but the most abundant cells are the red blood cells bearing, which carry the haemoglobin; a ferrous protein molecule important in [...]
  • Subjects: Biology
  • Pages: 2
  • Words: 578

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

The Interpretation of Radium

In a conclusion, this paper has brought into perspective the elemental radium as well as some of its important characteristics essential for one to be safe.
  • Subjects: Chemistry
  • Pages: 3
  • Words: 837

Camel Racing and Nutrition

The ability of camels to digest a lot of roughage is due to the existence of micro-flora. Roughage is the main source of diet for camels.
  • Subjects: Zoology
  • Pages: 3
  • Words: 871

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

The Concept of DNA Barcoding

The first step towards safeguarding and gaining from biodiversity involves sampling, identifying, and studying the biological specimens to identify the extent of the diversity and use that knowledge for the benefit of the country.
  • Subjects: Genetics
  • Pages: 2
  • Words: 625

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

“Regenesis” by George Church and Edward Regis

The ability to control living things has triggered a biotechnological revolution, which is only comparable to the changes that are witnessed in the information and communication technology.
  • Subjects: Biology
  • Pages: 5
  • Words: 1377

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

Genetic Testing: Should You Bother to Exercise?

However, some people are of the view that the effect of genetic variation on exercise-mediated body responses is dismal. This argument is usually based on the idea that several other factors such as diet, lifestyle, [...]
  • Subjects: Genetics
  • Pages: 4
  • Words: 1091

The Distinguishing Features of the Right and Left Kidney

Reabsorption starts in the proximal convoluted tubule, where sugars and a large amount of water are reabsorbed into the body and commences in the collecting duct. Antidiuretic hormone is another hormone that responds to the [...]
  • Subjects: Biology
  • Pages: 2
  • Words: 593

Parasite Toxicity: Parasite Evolution and Host Adaptation

The most devastating effects of a parasite to the host are related to the toxicity of the parasite. The phenomenon of natural selection leads to the molecular evolution and ultimately changes the chemical and biological [...]
  • Subjects: Biology
  • Pages: 8
  • Words: 2153

Sugar Results: Experiment on Chocolate

When the concentration of glucose was high, the color and odor of the reaction mixture were darker and more intense, respectively, due to a larger amount of products formed.
  • Subjects: Chemistry
  • Pages: 2
  • Words: 434

Parasites and Hosts Relations Over Evolutionary Time

Subsequently, within the secondary host, the behavior of the parasite that makes the secondary host more at vulnerable risk to being consumed by the primary host would be anticipated to evolve.
  • Subjects: Biology
  • Pages: 4
  • Words: 1137

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

Biology Experiment: Hormone and Its Effect

It is emphasized by Erickson and Tadaaki, that avocados do not ripen while attached to the branches, and ethylene increases the speed of ripening. This will be tested by placing avocados under the test bell [...]
  • Subjects: Biology
  • Pages: 2
  • Words: 556

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

Cell Counting and Measurement Under Magnification

The aim of this exercise is in the measurement and recording of the size of cells and tissues. Insert the eyepiece graticule into the eyepiece and then reattach the base of the eyepiece to the [...]
  • Subjects: Biology
  • Pages: 5
  • Words: 1641

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

Forensic Analysis of DNA and Biological Material

This was the first stage when carrying out the DNA test on a biological material. Notably, the forensic analyst was not allowed to touch the collection pad of the swab as a precaution measure.
  • Subjects: Biology
  • Pages: 7
  • Words: 1919

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

The Conservative Nature of Saudi Arabia

The way of living in Saudi Arabia has been greatly influenced by Islam beliefs and culture through the holy Quran which serves to provide the Sharia laws which guide the people.
  • Subjects: Countries Studies
  • Pages: 2
  • Words: 576

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

Co-Evolution: Angiosperms and Pollinating Animals

The birds need nectar from the flowers, the plants that produce nectar consequently only do so to attract these birds and insects, for the process of drawing nectar from these plants to be possible, the [...]
  • Subjects: Biology
  • Pages: 2
  • Words: 601

Humoral Medicine in Latin America

It was founded by the Roman and Greek physicians who said that if the human body experienced a deficiency of the four major body fluids, the health and temperament of a person would deteriorate. The [...]
  • Subjects: Anthropology
  • Pages: 2
  • Words: 581

Arabidopsis as a Model Organism

Model organisms can be described as organisms that are capable of being used in laboratories studies to conduct certain research or experiments."Arabidopsis thaliana is a small flowering plant that belongs to genus Arabidopsis, a member [...]
  • Subjects: Biology
  • Pages: 3
  • Words: 871

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

Glyceraldehyde-3-Phosphate Dehydrogenase Role

Just as it is indicated in the full name of GAPDH, it is an enzyme that is responsible for the catalysis process, which takes place in the sixth step of glycolysis.
  • Subjects: Biology
  • Pages: 3
  • Words: 925

Invertebrate Exhibit: Cockroaches

The roach has a rich, reddish, brown color, and the body is covered with a brittle exoskeleton made of chitin. The head and thorax are connected by a flexible tube made of an articular membrane.
  • Subjects: Zoology
  • Pages: 2
  • Words: 568

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

Staining as a Way to Identify Microorganisms

This procedure is applicable in the study of micro-organisms or the identification of the sample is unknown. Firstly, the gram stain technique is used to distinguish gram-positive and gram-negative bacteria, and the acid-fast technique is [...]
  • Subjects: Biology
  • Pages: 3
  • Words: 572

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

Chemistry of Organic Contaminants

The essay will discuss the biotransformation and bio-degradation of significant groups of organic contaminants, the major reactions and the enzyme accountable, experiments design and aspects that determine their ecological significance.
  • Subjects: Chemistry
  • Pages: 13
  • Words: 3567

Analysis of the Brine Shrimp

The Brine shrimp, which is also known as the Sea monkey, has been used in the modern world as food for fish and is of high quality because it can be grown using the aquaculture [...]
  • Subjects: Biology
  • Pages: 3
  • Words: 811

Botany: The Beavertail Cactus

Phylum Angiospermae is known to dominate the land because it consists of the highest number of species in the kingdom Plantae. Beavertail cactus exhibits several structural modifications in the leaves, stems, roots and flowers.
  • Subjects: Biology
  • Pages: 2
  • Words: 568

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

Staining Techniques: The Endospore Test

The next step included a smear by use of iodine for a minute and the stain was washed with water. A counter stain was added on the smear and left for a minute.
  • Subjects: Biology
  • Pages: 4
  • Words: 1151

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

UPLC With Fluorescence and Photodiode Array Detection

The poster is presenting a sophisticated chromatographic based method that ensures a specific and sensitive detection of compounds or substances like -blockers through the use of ACQUITY UPLC FLR detector that ensures optimization of excitation [...]
  • Subjects: Chemistry
  • Pages: 2
  • Words: 700

The Factors That Affect Glycogen Synthase Kinase 3-β

The authors hypothesize that the factors that affect Glycogen synthase kinase 3- and 5-HT activities might interact in humans in the way that the genetic inhibition of the GSK3- counteracts the genetic inhibitions pathways of [...]
  • Subjects: Genetics
  • Pages: 2
  • Words: 594

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

Kiwi Fruit: Nutrition and Biological Molecule

The kiwi fruit is botanically referred to as Actinidia deliciosa and the common name used is Chinese gooseberry. The primary function of starch is derivation of energy.
  • Subjects: Biology
  • Pages: 2
  • Words: 594

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

Evidence for Biological Evolution

The interconnection between life and evolution remained a mystery until the radiance named Charles Darwin illuminated the scientific world with a novel piece of work titled "On the Origin of the Species using Natural Selection [...]
  • Subjects: Biology
  • Pages: 2
  • Words: 563

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

Structure and Evolution of Plants

The brown color they have is derived from the presence of brownish carotenoids they have in their cell chloroplasts. Phototropism has been defined as the tendency of plants and some fungi to grow in a [...]
  • Subjects: Biology
  • Pages: 3
  • Words: 1126

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

Asbestos: History, Uses and Harmful Effects

The serpentine asbestos is usually white in color and is found in almost every part of the world. The use of asbestos is still common in China and Russia.
  • Subjects: Chemistry
  • Pages: 3
  • Words: 895

Flash Chromatography Overview and Analysis

Pour the elution solvent to the silica gel then, using a gas pump, force the solvent through the silica. Without disturbing silica's top surface, the dissolved sample in the elution solvent is then gently applied [...]
  • Subjects: Chemistry
  • Pages: 2
  • Words: 607

Religious vs Scientific Views on Genetic Engineering

With the need to increase the global economy, the field of agriculture is one among the many that have been used to improve the commercial production to take care of the global needs for food [...]
  • Subjects: Genetics
  • Pages: 3
  • Words: 826

Description of the Human Auditory System

The outer part of the ear is the pinna also referred to as concha. It is a cavity that resonates with the sound waves from the pinna to the middle ear.
  • Subjects: Biology
  • Pages: 3
  • Words: 858

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

Biological Insect Control: Augmentation

However, I need to clarify that the control is only due to the natural enemy and not the progeny as no reproduction of the natural enemy is expected.
  • Subjects: Biology
  • Pages: 12
  • Words: 1260

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

Inhibitory Influence of Salt on Grass Growth

Prediction: It was predicted that if salinity was increased in certain regions of the growth medium, then growth rate in such regions was likely to be low, and vice versa.
  • Subjects: Biology
  • Pages: 2
  • Words: 508

Honey Bees: Reasons of Disappearance

The disappearance of bees from beehives is correlated to the occurrence of both the virus and the fungus at the same time thus the interaction of these two pathogens play a crucial role.
  • 5
  • Subjects: Zoology
  • Pages: 4
  • Words: 1289

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

Nanoparticle Titanium Dioxide (Tio2) Effect on Health

On the other hand, the small size of titanium dioxide nanoparticles is also a risk factor because they can easily penetrate the cells, resulting in cell photocatalysis and damage to DNA upon exposure to the [...]
  • Subjects: Chemistry
  • Pages: 3
  • Words: 933

Transgenic Animals: Methods and Reasons For Creating

Animal models have been used throughout the history of biology to facilitate the understanding of pathogenesis mechanisms, and in the development of effective therapies. The advantage of this method is in its ability to culture [...]
  • Subjects: Genetics
  • Pages: 8
  • Words: 2234

Developmental Biology: DNA and MicroRNA

This is augmented by the strengthening of patterns and the increase in the number of lateral cells that are crucial for the process to be successful.
  • Subjects: Biology
  • Pages: 4
  • Words: 1179

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