Free Biology Essay Examples & Writing Tips. Page 6

741 samples

The Study of the Constituents of the Brain

The five swellings are the Telencephalon, the Diencephalon, the Mesencephalon, the Metencephalon, and the Myelencephalon". The brain of a human being is in the center of the nervous system.
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Bacterial Cells and Choice of Antimicrobial Agents

Gram negative bacteria cell wall is made up of the outer membrane, the peptidoglycan, and the plasma membrane. Peptidoglycan in gram negative bacteria unlike in gram positive bacteria is sandwiched between the outer region of [...]
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Psychoactive Substances and Addiction

Substances that could easily lead to addiction are the elements that directly motivate the dopaminergic system such as marijuana, cocaine, nicotine, and heroin.
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Neurotransmitters and Their Importance for Human Body

Neurotransmitters transmit information to adjoining cells such as neurons."Neurotransmitters also operate from the brain and spinal cord to organs of the digestive system, respiratory system, endocrine system, excretory system, etc, and back"."Regulating neurotransmitters in the [...]
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The Brain: Structure and Functions

This paper is going to describe the major structures of the brain and the functions of each. This part of the brain is composed of cerebellum and the pons.
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The Technology of Bioengineered Corn

The further development and distribution of bioengineered corn will provide additional food sources in which to feed the masses of today and future generations of people as well.
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A Passion Flower: Properties and Story of Discovery

The foliage and shoots are medically used in the form of antispasmodic, styptic, sudorific, soporific, narcotic, depressant, and vasodilator in addition to being used in the healing of some female complaints.
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Lifespan Development: Adolescent Psychology

Physical changes occur in the child during the period of adolescence as they hit puberty. It is known as the formal operational period and is the fourth stage in the life of the individual.
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Osprey, Pandion Haliaetus: Specie Overview

The eyes of the ospreys are bright yellow, and it has a black beak. In contrast to other predatory birds, the ratio of the Ospreys almost completely consists of fish.
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Biology: Coral Reef and Its Diseases

The stresses that affect coral reefs can include changes in water temperature, differences in the amount of ultraviolet radiation they are exposed to and the amount of sedimentation and pollutants that settle in and around [...]
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The Concept of Founder Mutations

Founder mutations may be considered as a type of genetic mutation because these result in a medical disorder, however, founder mutations can be distinguished from the rest of genetic mutations through the basis of its [...]
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Bacterial Strains Identification Experiment

Further differentiation of the bacterial unknowns was performed through additional colorimetric tests, resulting in the validation of the identity of each bacterial species.
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Enzyme Specificity and Regulation

In order to solve the topological problem of unwinding the DNA double helix in order for the process of DNA replication to proceed, DNA topoisomerases are needed in order to break and reunite the two [...]
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Vitamin C Test: Medical Analysis

Thus, the concentration of vitamin C in each solution influences the number of iodine drops that are needed in order to change the color of the homogenate solution to black.
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Bovine Growth Hormone Use in Cows

It aids in the production of milk, increasing it by 10-15%, which is a substantial amount for farmers, due to the increasing consumption and demand for cow's milk and dairy products.
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Molecular Chaperones and Misfolded Proteins

The function of this system is to make sure of the conformity and maturity of proteins produced by blocking the deliverance of incompletely folded or misfolded proteins, which are then destroyed in the cytoplasm.
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A Peptic Ulcer: Medical Analysis

It occurs as a result of distorting in the acidic environment of the stomach when the wall lining of the stomach or duodenum erodes due to an increase in gastric acid; this triggers the development [...]
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Biology. Erythrocytes or Red Blood Cells

In the presence of CO2 in the tissues, the acidity increases resulting in the release of O2 and consequently protonated hemoglobin caries bicarbonate ion to be release in lungs.
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Introduction to Microbiology: Escherichia Coli

This type of E.coli is included in a class of dangerous E.coli, called enterohemorrhagic.E.coli O157:H7 was discovered in 1982, during a severe outbreak of bloody diarrhea, associated with the consumption of contaminated hamburgers. The hemolytic [...]
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Stem Cells Biology: Features and Researchs

Stem cells are cells that have the capacity to subdivide into other cells. The second property of stem cells is that they can develop into specialized cells in the differentiation process.
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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 [...]
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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".
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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 [...]
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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, [...]
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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 [...]
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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 [...]
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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 [...]
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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.
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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, [...]
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The Digestive System and Its Functions

That is why the proper functioning of the human digestive system serves as the basis for full-fledged life support during the main processes in the digestive tract. In the oral cavity, food enters the throat, [...]
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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. [...]
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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.
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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.
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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 [...]
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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.
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Reproductive Isolation and Its Potential Effects

Reproductive isolation pertains to the fact that in case a population of the same species is separated into two parts and they are not able to breed with one another, genetic makeup will change according [...]
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Marine Algae Associated Bacteria as Antioxidants

The antinociceptive activity analysis involved comparing the reaction time of mice treated with the extracts and the controls. The authors conclude that the isolation and characterization of the bioactive principles from the potent strains could [...]
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Vegetation Monitoring From Space

Remote sensing also helps in the determination of the distribution of the existing vegetation cover within a particular locality. In this paper, the author seeks to provide an overview of the use of remote sensing [...]
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Microbiologist as a Career in Bioscience

Moreover, I believe that in this way I can help people by making discoveries that can be used in medicine, agriculture, food production. This experience can help me in the future especially when I will [...]
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Reverse Mutation Concept in Cancer Biology

The hybridization of phage and the Alu probe will point to the presence of the human mutagen in the cell. Particularly, the application of the KIF2C protein will have to be considered to identify the [...]
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Environmental Management: Ice Storm and Beetle Outbreaks

Thus, in their article, "The Effects of a Large-Scale Ice Storm Event on the Drivers of Bark Beetle Outbreaks and Associated Management Practices," Groot, Ogris, and Kobler aim to research the patterns of insect outbreaks [...]
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Respiratory Tract Infections Under Investigations

RTIs are prevalent among the elderly due to the existence of chronic conditions and deterioration of health. Acute sinusitis and bronchitis are some of the most common cases of RTIs that contribute to the abuse [...]
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DNA in Action: Sockeye Salmon Fisheries Management

The researchers in the article carried out an analysis entailing a total sum of 9300 salmon fish species. The latter was followed by mixed stock samples in the lower region of Fraser River and test [...]
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Cellular Fluid and Regulatory Mechanisms

This paper describes the components of a cellular fluid and regulatory mechanisms for achieving electrolyte balance in the ICF and ECF. The ICF comprises the fluid within the cells, and it is the primary constituent [...]
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Eukaryotic Pathogens Characteristics

The purpose of this experiment is to observe the characteristics of eukaryotic pathogens, including protozoa, fungi and helminthes; to be able to distinguish between different organisms, and apply the results in the field of microbiology. [...]
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Fungi: Characteristics and Groups

Chytridiomycota is a division of the kingdom Fungi. This class is often called higher fungi because of their complicated structure and other unique characteristics that differ them from other representatives of the kingdom.
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Biodiversity, Its Evolutionary and Genetic Reasons

The occurrence of natural selection is hinged on the hypothesis that offspring inherit their characteristics from their parents in the form of genes and that members of any particular population must have some inconsiderable disparity [...]
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Plant Cell Physiology and Its Processes

Cell physiology is the study of the functions of the cell structures. The function of controlling movement of substances in and out of the cell is known as the physiological process.
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Visual Mechanism and Control in Humans and Animals

To appreciate the historical context of the publication of the article by Goodlade and Milner, it is prudent to discuss what was happening before and in the early 1990s in the field of visual perception.
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Caenorhabditis Elegans: Unc-22 Gene Strong & Weak Alleles

Studies involving the manipulation of the unc-22 gene including the introduction of mutations and silencing various alleles of the gene have helped elucidate the structure and function of the gene, which is beneficial to the [...]
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Brain-to-Brain Interface Experiment

It can be argued that the brain-to-brain interface experiment described in the study was a sophisticated variant of the knee jerk reflex.
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Pollutants Effects on Cellular Respiration Rate

Therefore, the purpose of the experiment was to investigate the effects of pollutants on the cellular respiration rate. Moreover, the hypothesis that the presence of a pollutant harms the rate of respiration was investigated by [...]
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Myths About the Brain Functionality

The brain is one of the most fascinating organs of the human body. In conclusion, the beliefs about ten percent of our brain left and right-brained people or other similar statements are pure myths that [...]
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Aspects, Importance and Issues of Biodiversity

Genetic diversity is a term used to refer to the dissimilitude of organisms of the same species. Species diversity is used to refer to dissimilitude of organisms in a given region.
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Bio Diversity and Future of Our World

For the resources of the world to be maintained, biodiversity has to be present. It is upon ourselves to determine the kind of a world we want to live in.
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Mescaline Peyote: Origins, Effects, and Uses

Peyote is believed to cause some people to hallucinate and in deed the Native American church used it while meditating. In conclusion, the use of peyote is illegal in U.S.because this plant has similar effects [...]
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The Diffusion of a Cell

The study achieved this goal through the use of Single Particle Tracking that entails observing the diffusion of a particle in the cell.
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Genetic Experimentation and Development

In fact, the proponents of cloning assert that it would provide the parents with the opportunity of determining the attributes as well as the genetic features of the offspring.
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A Study of “Escherichia Coli”

The division of bacterial cells is focused on the study of the force that makes the cell separate into two, paying specific attention to FtsZ and the division ring Z-ring.
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Concept of Bioethics in Society

The classical assumption in the discipline of bioethics is that the field is concerned with the dilemma of determining the most ethically appropriate action in the healthcare setting.
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Telescope and Microscope Discovery Combo

The paper will look into the history of the discoveries and their effects in the development of the human well beings as well as the enhancement of the human understanding of the surrounding nature in [...]
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Geelong Botanic Garden’s Ecosystem

Evidently, the species curve shows that the species of plants in the Geelong botanic garden increases with the increase in the area of the quadrat.
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History Of Biotechnology

In the course of the First World War, the processes of fermentation were set up in order to carry out production of acetone from the solvents of paints as well as starch to be used [...]
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Melanin Theory as a Pseudoscientific Claim

The architects of this theory believe that white people are mutants and that whiter skin is a form of albinism with the likes of Wade Nobles opining that "Blacks are fully human because of their [...]
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Evolution of Predator and Prey Pairings

Given the fact that prey and predator pairings threatens the survival of the prey there are other external factors that contribute to the elimination of the prey species.
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Exotic Species Threat to Native Species

The main reason exotic species normally pose a greater threat to native species in the island is because island species might have evolved in the absence of strong predators and competitors.
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Types of Tress in Alaska

The plant further branches in a pattern that extends to the ground held by a bark that is smooth dark and scary. As a conifer, the tree is evergreen and typically grows to about 15 [...]
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Bioinformatics: Pathogen Profiling Efforts

Accordingly, a biosurveillance approach that makes use of microbial profiling is likely to reduce the cost of epidemic control, treatment and aversion in the near future.
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