Natural Sciences Essay Examples and Topics. Page 10

2,571 samples

DNA Cloning and Sequencing: The Experiment

The plasmid vector pTTQ18 and the GFP PCR product will be digested with restriction enzymes and the desired DNA fragments obtained thereof will be purified by Polyacrylamide gel electrophoresis and ligated with DNA ligase resulting [...]
  • Subjects: Genetics
  • Pages: 2
  • Words: 573

Researching the Physiology of the Eye

It then progresses to the pupil, where the size of the pupil varies depending on the intensity of the incoming light, a phenomenon referred to the as pupillary light response.
  • Subjects: Biology
  • Pages: 4
  • Words: 1122

Production of Human Protein

In the production of human insulin, scientists use recombinant DNA technology to insert insulin DNA into bacteria, which under optimum environments multiply into numerous replicas containing insulin. This is done in order to facilitate replication [...]
  • Subjects: Genetics
  • Pages: 5
  • Words: 1389

PH Titrations & Buffer Solutions Experiment

The objective of this experiment was partly to determine the behaviour of PH curve of a triprotic acid and hence determine its pKa value, and on the other part to determine the concentration of an [...]
  • Subjects: Chemistry
  • Pages: 7
  • Words: 986

Competition in Nature Observation

For example, it can be between plants and plants or animals and other animals or animals and plants, whereby the survival of one is threatened or lowered by the existence of another especially when there [...]
  • Subjects: Biology
  • Pages: 4
  • Words: 1276

Anatomy of the Brain: Key Issues

Some of the basic parts of the brain include the cerebral cortex lobes namely; the temporal lobes, the frontal lobes, the occipital lobes, the parietal lobes, the prefrontal cortex, and the limbic system.
  • Subjects: Biology
  • Pages: 5
  • Words: 1375

Hybrid Cows That Produce Human Milk for Infants

The nutritional content of genetically modified milk from cows is brought close to that of human breast milk. Genetically modified cow's milk has been made to bring the nutritional content closer to that of human [...]
  • Subjects: Genetics
  • Pages: 5
  • Words: 1469

New Gene Discovered That Stops Spread of Cancer

At this point, it is crucial to mention that the discovery by the Salk institute is just a beginning of a long scientific journey that is anticipated to culminate in a comprehensive and conclusive study [...]
  • Subjects: Genetics
  • Pages: 3
  • Words: 795

DNA Microarray Technology and Applications

These DNA microarrays are used by scientists in order to determine the appearance levels of a big number of genes, and also to the manifold region of a genome.
  • Subjects: Genetics
  • Pages: 9
  • Words: 2608

Medical Breakthrough: The Bionic Eye

The development of the bionic eye came as a result of the impacts of retinitis pigmentosa. The camera sends the images to a bionic implant that is attached behind the eye.
  • Subjects: Evolution of Humans
  • Pages: 5
  • Words: 1423

Pasteurization: Processing Food Substances

The second benefit of pasteurization is witnessed in the deactivation of enzymes that are found in various food substances. It is only the process of pasteurization that can lower the activity level of the enzymes.
  • Subjects: Chemistry
  • Pages: 2
  • Words: 567

Preparation of Polymers and Polymer Modification

The hypothesis of the second experiment process was that Elmer's Glue changes into a rubber-like material from a glue-like substance. After the second process of combining Borax solution with Elmer's glue, a rubber-like material was [...]
  • Subjects: Biology
  • Pages: 2
  • Words: 568

Cytogenetic Testing in Pregnant Women

Being predominant, however, the occurrence of digenic triploidy in a fetus could be up to very high percentages; diandry is responsible for about 50.
  • Subjects: Genetics
  • Pages: 8
  • Words: 2436

The Structure and Amino Acid Sequence of Beta-Glucuronidase

Beta-glucuronidase has wide application in the determination of urinary steroids as documented by Bernfeld and Fishman data. The purification protocol of -glucuronidase adopts a method that was described by Bernfeld and Fishman.
  • Subjects: Biology
  • Pages: 4
  • Words: 2032

Discussion on Lab Report an E. Coli Bacteria Lacz Gene

A synthesizing buffer was added to provide the suitable environment required for the synthesis of the new DNA strand. The addition of T4 DNA polymerase was to facilitate the hybridization of the old and the [...]
  • Subjects: Genetics
  • Pages: 2
  • Words: 563

Lecythis Pisonis: Wheres Located and What Is It

In the present biodiversity investigation, Vallilo and co-workers have analyzed the fatty acid and mineral composition of L.prisons Camb.seeds from four locations of S o Paulo State and evaluated the nutritive properties.
  • Subjects: Biology
  • Pages: 4
  • Words: 1534

Bioinorganic Chemistry: Metallothioneins

Animal MTs have implications in inherited and occupational diseases that are linked to metabolic disorders in the handling of metal ions.
  • Subjects: Chemistry
  • Pages: 40
  • Words: 9345

Concept of Neurotransmitters

Exercise stimulates the release of neurotransmitters that reduce anxiety and induce a slight sense of joy. Serotonin encourages delight to exercise regularly; after a long break, the stimulation decreases, and restart workouts become challenging.
  • Subjects: Biology
  • Pages: 1
  • Words: 347

Omics Associated With Genes: Role of Nurses Analysis

Genomics is the fundamental basis of the omics sciences group given that the information in the genes and the organism's genotype is considerably accountable for the organism's phenotype.
  • Subjects: Genetics
  • Pages: 2
  • Words: 574

Evolution: Natural Selection in Action

The population of these moths will have both dark and white moths at the starting point. The dark moths reproduced successfully due to lack of predation.
  • Subjects: Biology
  • Pages: 2
  • Words: 552

P-chlorophenoxyacetic Acid-preparation of a Synthetic Plant Hormone

The chemical synthesis of 4-chlorophenoxyacetic acid is realized through the reaction of nucleophilic displacement between anions of the 4-chlorophenolate anion and chloroacetate, the product of interaction of which is subjected to acetic acid treatment.
  • Subjects: Chemistry
  • Pages: 2
  • Words: 778

Development of Cities: Factors of Growth

At the same time, the most widespread and constant causes of urbanization are connected with commercial activity and the availability of natural resources.
  • Subjects: Countries Studies
  • Pages: 1
  • Words: 305

Atropian Iron: 1st AD Stability Operations Decision Brief

Solving the problem is essential for securing Atropian independence and sovereignty from existing and potential separatist and insurgent challenges and addressing the root causes of the failure of the Government of the Republic of Atropia.
  • Subjects: Chemistry
  • Pages: 3
  • Words: 795

Puppy Mills. Problems. The alternatives for puppy mills

Generally, evaluating all the sad facts related to dog breading in the facilities under consideration, it becomes evident that puppy mills along with their very concept of profits making present a serious difficulty for the [...]
  • Subjects: Zoology
  • Pages: 4
  • Words: 1164

Unique Functional Features of Blindsight

The findings are indicative of the fact that monkeys with striate lesions under standard conditions, where the target stimuli were delivered without the removal of the fixation point, did not move their eyes or saccade [...]
  • Subjects: Biology
  • Pages: 2
  • Words: 648

Portugal: Country Presentation

There are several challenges that should be noted. First, Portugal is challenged by the quality of justice in the country.
  • Subjects: Countries Studies
  • Pages: 6
  • Words: 744

Adaptation and Natural Selection

Similar to the way letters of the alphabet are organized in a sequence to form words and sentences, these bases combine in a certain way to pass traits to the next generation.
  • Subjects: Genetics
  • Pages: 4
  • Words: 1119

Evolutionary Changes of Animals and Plants

This presentation will show how animals and plants evolved with time passing. It is critical to examine the factors that underlie these processes and their outcomes.
  • Subjects: Biology
  • Pages: 12
  • Words: 869

“The Frog Book” by Steve Jenkins and Robin Rage

In addition, the data is presented simply and interestingly, which attracts attention and makes children less tired of learning. It gives kids the necessary knowledge from the field of zoology in a simple and beautiful [...]
  • Subjects: Zoology
  • Pages: 1
  • Words: 279

Biodiversity and Dynamics of Mountainous Area Near the House

It should be emphasized that the term ecosystem used in this paper is considered a natural community characterized by a constant cycle of energy and resources, the presence of consumers, producers, and decomposers, as well [...]
  • Subjects: Geography
  • Pages: 6
  • Words: 1240

Principals of Economics: An Overview of Argentina

Principles of economics help to understand the current situation and the possible development of the country. This project aims at exploring the situations in Argentina.
  • Subjects: Countries Studies
  • Pages: 12
  • Words: 624

American Indians and Alaska Natives

It is necessary to give the child a choice and feel the consequences of it. This method of cognition is fundamental in the education of children of American Indians and Alaska Natives.
  • Subjects: Countries Studies
  • Pages: 4
  • Words: 1161

Human Exposure Information: Radon

Radon it is a radioactive gas that has no color or smell and is formed from the decay of radioactive elements.
  • Subjects: Chemistry
  • Pages: 6
  • Words: 906

Native Grass Production: Benefits and Limitations, Management

The cool-season grasses grow appropriately in the spring and fall when the soil and air temperature are cooler. The native cool season grasses are therefore more excellent for farming in the native regions than the [...]
  • Subjects: Agriculture
  • Pages: 6
  • Words: 1670

Production and Adoption of Native Grass Seed in Australia

Despite the significance of the perennial native farmlands for native grass production, the native seed is required in large quantities to discourse the prevailing such environmental challenges as weed control and wildfire management, loss of [...]
  • Subjects: Agriculture
  • Pages: 6
  • Words: 1500

Analysis of Ivory Coast: Aspects of Life

The inevitable consequence of unfavorable demographic trends in sub-Saharan Africa, the low income level of both States and the majority of the population is the extreme strain that the social infrastructure of the region and, [...]
  • Subjects: Countries Studies
  • Pages: 8
  • Words: 2315

The Universal Nature of Biochemistry

If the power between the two atoms is the same they share the electrons and form a covalent bond, but if one atom's power exceeds the other, then one loses the electron or electrons to [...]
  • Subjects: Chemistry
  • Pages: 4
  • Words: 1116

The Island of American Samoa

The Island of American Samoa lies south of the equator in the Pacific Ocean. As far as beauty is concerned, the island consists of dense tropical forests and hilly landscapes that create a magnificent view [...]
  • Subjects: Countries Studies
  • Pages: 3
  • Words: 920

The Evolution of Human Skin Color

The amount of UV light depends on the latitude: the highest concentration is spread throughout the equator, while the areas close to the Earth's poles had it in scarcity. Both folate and vitamin D contributed [...]
  • Subjects: Evolution of Humans
  • Pages: 1
  • Words: 374

How Animals React to Their Reflection in Mirror

The experiment with chimpanzees proved animals perceive the reflection in the mirror as their own since they viewed and touched the red marks applied during sleep that could only be seen in the mirror.
  • Subjects: Zoology
  • Pages: 2
  • Words: 583

Metabolite Engineering Using GMOs

Metabolite engineering with the use of genetically modified organisms is used in a wide range of industries to change different products' structures, lifestyles, and cellular chains.
  • Subjects: Agriculture
  • Pages: 3
  • Words: 764

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

The Pomegranate Peel: Antioxidant Activity

Due to the high concentration of bioactive compounds, it has many health-related properties and is widely used in the pharmaceutical industry [1].
  • Subjects: Biology
  • Pages: 1
  • Words: 307

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

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

The Biological Study: Punica Granatum L. And Nerium Oleander

In particular, The research project included the collection and preparation of plant materials, namely extracts of Punica granatum L.and Nerium oleander, a direct biological experiment on animals, and blood and tissue analyses.
  • Subjects: Biology
  • Pages: 6
  • Words: 1663

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

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

Campania, Italy: Geographic Analysis

The region is in the southern parts of Italy. It covers an area of 13,590 km², borders Mediterranean sea to the west, and located in the renowned Italian peninsula.
  • Subjects: Geography
  • Pages: 9
  • Words: 745

Molecular Basis of COVID-19 Virus

The coronavirus genome is as a share member of the Niclovirus order, such as the family Arterividrae and Toro virus genus. It is used to check the spread of the infection and trace those infected [...]
  • Subjects: Biology
  • Pages: 2
  • Words: 595

The Chromatography Method: Scientific Experiment

SDS-PAGE separates isolated protein of which can be visualized by coo massive stain that binds to the experimental proteins and hence, the intensity of this resultant bands is used to give plasminogen estimation in a [...]
  • Subjects: Biology
  • Pages: 3
  • Words: 1231

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

Amperometry: Chemical Analysis

First of all, it should be recalled that the use of electrochemical methods in quantitative analysis is based on the use of dependencies of measured parameters of electrochemical processes on the content or concentration of [...]
  • Subjects: Chemistry
  • Pages: 11
  • Words: 3681

Homeostasis: Human Structure and Composition

The effect of a feedback of this nature is the stabilization of the affected system with the aim of the correction of the resultant deviations from the point that is naturally set.
  • Subjects: Biology
  • Pages: 4
  • Words: 1132

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: 618

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

Genetics and Genomics in Healthcare

The first phase was used to determine the suitability of the survey tool while the main survey led to the collection of the desired data.
  • Subjects: Genetics
  • Pages: 3
  • Words: 934

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

North Africa/Southwest Asia (NASWA)

Water is the major problem in this region, and this explains why there is high concentration of human population in areas that lie next to water catchments areas.
  • Subjects: Geography
  • Pages: 4
  • Words: 1099

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

Pre-Darwinian Theories and Hominids in Africa

One of them is the one of catastrophism established by the French scientist George Cuvier; this theory suggested the idea that all species that died in the result of some natural phenomena and catastrophes were [...]
  • Subjects: Anthropology
  • Pages: 2
  • Words: 563

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

Micronutrients During Pregnancy and Lactation

The main purpose of this article is to discuss the role of various micronutrients before and after the birth of the child because much attention has been given only to a few micronutrients such as [...]
  • Subjects: Biology
  • Pages: 8
  • Words: 2255

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

Micrococcus Luteus Detection Experiment

Microbial Physiology, the branch of microbiology responsible for the study of these enzymes, employs a spectrum of tests that detect the known set of enzymes unique to each species of microbe.
  • Subjects: Biology
  • Pages: 2
  • Words: 401

Redox Flow Battery Electrolyte Types

The principle of operation is the same as for water-based electrolytes, though no single popular type can be named due to the ongoing experimentation and innovation in the field.
  • Subjects: Chemistry
  • Pages: 2
  • Words: 567

The Oocytes and the Surrounding Cells of Follicles

In mammals, OSE assists in the dissolution of the follicle apex and all the underneath connective tissue and helps in releasing the matured ovum. The oocytes and the surrounding cells of follicles constitute the fundamental [...]
  • Subjects: Biology
  • Pages: 10
  • Words: 3264

The Use of Methane as a Biofuel

This is mainly based on the fact that it has a consistent composition of chemicals, which gives it better conversion ability to different by-products, including methanol.
  • Subjects: Chemistry
  • Pages: 11
  • Words: 3050

Measuring the Salt Tolerance of Plants

The variety of crops grown and the need for agricultural measures for soil moisture and irrigation depend on the arable land belonging to a particular category.
  • Subjects: Biology
  • Pages: 8
  • Words: 2504