Free Biology Essay Examples & Writing Tips. Page 5

681 samples

Review of the Affinity Column Method

The binding of the molecules to a solid phase can be done using the column chromatography in which the "solid medium is packed into the column and the initial mixture run through the column to [...]
  • Pages: 5
  • Words: 1806

Antibiotic Resistance in Bacteria

With the help of a pipette, a measure of 100 L of E.coli culture was spread at the surface of plates of minimal medium agar.
  • Pages: 3
  • Words: 1158

Musculoskeletal Bases of Human Movement

The arches of the foot are of particular importance by virtue of being tasked with the responsibility of allowing the foot to support the total weight of the body in an upright position with the [...]
  • Pages: 5
  • Words: 1653

Estimation of Protein Concentration

In the determination of the concentration of proteins in different body tissues, we carried out various laboratory experiments; in which various body tissues were tested for protein content.
  • Pages: 3
  • Words: 980

Resistant Bacteria Overview and Analysis

As the population of the world increases on a daily basis, it is becoming more and more important for researchers and other stake holders such as government bodies and members of the medical community to [...]
  • Pages: 2
  • Words: 566

T Cells: Definition and Functions

The na ve T cells in the secondary lymphoid; when they encounter an antigen presented on MHC of dendritic cells, they differentiate and proliferate into effector T cells, CD8 or CD4 T cells depending on [...]
  • Pages: 3
  • Words: 1002

Biotechnology in Response to SARS

Some of those outstanding responses that attempt to define biotechnology include the application of integration of biology and technology, a promising field that deals with using organisms, and a field of science that uses biological [...]
  • Pages: 4
  • Words: 1082

Microscopy and Cell Anatomy

A slide cover slip was placed on top and then the slide was observed under bright-field microscopy at the different magnifications of the microscope.
  • Pages: 4
  • Words: 1257

“Why Study Photosynthesis?” by Devens Gust

By revealing the information about the details of photosynthesis, Gust encourages people to investigate and to develop the innovated techniques thus applying them to the problem solution in the different spheres of life.
  • Pages: 2
  • Words: 565

Sex Ratio Adjustment in Cooperative Breeders

The challenge that arises here is the understanding of how the selection is acting on the sex ratio of invertebrates. Other secondary sources of information that were used included the searching of the web and [...]
  • Pages: 2
  • Words: 831

The Brain Regulation of Thirst

Here the stimulus is the thirst instinct which gives the brain the message that the fluid levels need to be adjusted to maintain healthy metabolism, the brain then sends messages to the muscles and other [...]
  • Pages: 2
  • Words: 589

Reproductive Biology: Ovarian Surface Epithelium

The germinal epithelium was a preferred term over OSE because this outer ovarian epithelium was assumed to be the source of germ cells in embryos and adults, and besides this, pre-follicular and granulosa cells that [...]
  • Pages: 40
  • Words: 10029

Mutation and Variation in Dendryphiella

This paper elaborates the living conditions of the marine fungi, the studies that have been done so far on them, and the possibilities for the future finally discussing the results of the study being done [...]
  • Pages: 14
  • Words: 4109

Bioterrorism and Biosecurity

The epidemiology of the infection is spread in the world evenly though in some of the parts there is only one form of Anthrax, for instance in the United States of America and therefore our [...]
  • Pages: 8
  • Words: 2189

Glucose/Galactose Malabsorption

Glucose and galactose are the two simple sugars transported in the intestinal tract and the disaccharides are sugars such as sucrose and lactose which are made from the combination of two simple sugars.
  • Pages: 3
  • Words: 895

The Present-day World of Biotechnology

There are a number of companies which stand on the top bracket of the biotechnology research, however, Boigen, Genzyme, Amgen, Genentech, and Monsanto are the largest of the companies in the U.S.
  • Pages: 5
  • Words: 1423

Cloning of Plants at the Botanic Garden

Cloning is now considered to be an efficient means to grow plants in being the result of vegetative propagation while seeds are the result of the natural reproductive phenomenon of plants.
  • Pages: 2
  • Words: 580

“Sperm Competition in Fish” by Taborsky

The fundamental theory of the study proposed that the time, space, and opportunity of the fishes were the main determinates of the reproductive pattern of male fishes in the context of sperm competition.
  • Pages: 2
  • Words: 548

The Surface Epithelium of the Ovaries in Primates

In mammals, three forms are known, GnRH-I, GnRH-II, and the salmon GnRH. Both groups of synthetic analogs also down-regulate the expression of GnRH receptors and initiate the internalization of the cell surface receptors to the [...]
  • Pages: 3
  • Words: 4581

Biological Psychology: Memory

By and large, there is a general agreement that molecular events are involved in the storage of information in the nervous system. It is about to differentiate different kinds of memory, one which is short-term [...]
  • Pages: 13
  • Words: 4417

Protein Functional Site and Surface Matching

The Bayesian approach was best considered as the reliable platform for determining the structural similarity of functional sites from proteins with unknown functions using the database of known protein functions.
  • Pages: 5
  • Words: 1624

Biogeography: Kary Mullis’ Development

The identification of biological material during the study of local and co-located biocenosis is of serious importance to biogeographers. It seems clear that this technology has a high potential for biogeographical studies because PCR allows [...]
  • Pages: 2
  • Words: 357

The Study of the Southern Hemisphere

The study of the Southern Hemisphere is of serious importance in Earth research because this area is associated with attractive mechanisms of dispersal of living beings and geographic and thus reproductive isolation of species.
  • Pages: 2
  • Words: 389

Paired Box 6 (PAX6) Analysis

The paper's scope includes an investigation of how Paired box 6 gene was discovered, how it is characterized, including a description of the techniques used, and a review of articles that help to identify the [...]
  • Pages: 4
  • Words: 1249

Unlearning Race as Biology

It is scientifically proven that race is not a reliable shortcut or proxy but simply a distraction that does not let see the real and the whole picture of one's condition and situation.
  • Pages: 2
  • Words: 610

Vespa Mandarinia as an Invasive Species: Overview

On the contrary, it is the unique features that form the body of V.mandarinia that determine the increased research interest and justify the environmental position of the hornet as a killer.
  • Pages: 11
  • Words: 3218

Shapes of Cells and Their Functions

The structure of cells in the nervous system is characterised by their elongated shape, which corresponds to the tasks performed by them.
  • Pages: 3
  • Words: 855

Female Aggression in Flies and Humans

In the animal world, they compete for the opportunity to mate with females, since the continuation of their genus depends on the number of mates.
  • Pages: 3
  • Words: 1026

Strawberry Pest Management

The purpose of this paper is to provide a brief overview of pest management in strawberry in general and in the context of Western Australia specifically.
  • Pages: 2
  • Words: 606

In-Depth Biological Research

It is essential to note in advance that the 16s rRNA nucleotide sequence of the gene was obtained using the open Nucleotide database owned by the National Centre for Biotechnology Information, which allows finding the [...]
  • Pages: 10
  • Words: 2749

Biotechnology, Genetics and Reproduction

On the one hand, this is an opportunity to become parents for infertile couples, on the other hand, the ART industry acts as a new type of business and, therefore, we can talk about the [...]
  • Pages: 4
  • Words: 1128

Evolution of Mating by Charles Darwin

Sexual reproduction has proven to be the best strategy that permits the combination of varied genes that allows the offspring to be more flexible and adaptable to changes in the environment. The large size of [...]
  • Pages: 3
  • Words: 888

Unmanned Aerial Vehicle Technology and Its Aspects

It is expected that through an examination of the mechanisms involved in the Nagendran paper an effective biologically inspired mechanism for landing and inconspicuous observation could be developed to great effect.
  • Pages: 2
  • Words: 570

Different Ecosystems and Living Things

Habitat is the living environment; the population is all the living organisms within a habitat, and community is the organisms that interact with each other. The descriptions of the three ecosystems below will focus on [...]
  • Pages: 3
  • Words: 809

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.
  • Pages: 3
  • Words: 1255

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 [...]
  • Pages: 2
  • Words: 555

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.
  • Pages: 4
  • Words: 565

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 [...]
  • Pages: 2
  • Words: 563

The Physical Self Concept Analysis

Siegelman and Rider also describe the physical growth in terms of proximodistal concept where the internal organs and chest are said to grow faster during the early period of infancy and then the growth spreads [...]
  • Pages: 2
  • Words: 597

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.
  • Pages: 3
  • Words: 850

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.
  • Pages: 2
  • Words: 650

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.
  • Pages: 2
  • Words: 524

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.
  • Pages: 8
  • Words: 2213

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 [...]
  • Pages: 2
  • Words: 602

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 [...]
  • Pages: 3
  • Words: 879

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.
  • Pages: 8
  • Words: 2169

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 [...]
  • Pages: 4
  • Words: 1454

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.
  • Pages: 3
  • Words: 953

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.
  • Pages: 4
  • Words: 1288

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 [...]
  • Pages: 4
  • Words: 1185

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.
  • Pages: 2
  • Words: 609

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 [...]
  • Pages: 8
  • Words: 2465

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.
  • Pages: 5
  • Words: 1492

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".
  • Pages: 5
  • Words: 1435

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 [...]
  • Pages: 6
  • Words: 1452

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, [...]
  • Pages: 2
  • Words: 1030

Mountain Pine Beetles Review

The trees attack begin with the injured trees, trees with in poor site, infected trees in the roots or stem, fire damaged trees, overcrowded trees and the very old trees during the first stage of [...]
  • Pages: 10
  • Words: 2394

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 [...]
  • Pages: 8
  • Words: 2244

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 [...]
  • Pages: 2
  • Words: 485

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.
  • Pages: 2
  • Words: 616

Phagocytosis Mechanism in Higher Animals

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

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. [...]
  • Pages: 2
  • Words: 605

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.
  • Pages: 1
  • Words: 312