Free Biology Essay Examples & Writing Tips. Page 4

Some of the diseases are spread when the agents are passed on from animals to humans through a process referred to as zoonosis.

However, the key challenge lies in maintaining the ability of the propagation of stem cells as well as deciding the type of cells that are formed.

The striped dolphin is a highly susceptible host of the bacteria and poses and the most potent reservoir and source of transmission of the infectious agent.

The healing process of this material is almost similar to that of the aforementioned self-healing concrete except for the fact that the polymer uses the Grubbs' catalyst during the healing process while the self-healing concrete [...]

The researchers are fascinated by the ability of this compound to be detected by the taste buds of certain individuals and remain undetectable by others. 1To this end, the compound is of profound interest in [...]

Second, the protocol was modified by raising the temperature required for labeling the bacterial cells."The third modification was the addition of 0 8% ethylenediaminetetraacetic acid to the A31 buffer used in the pretreatment of milk [...]

Circulation is "the movements of body fluids inside the animals from the place of formation to the place of its utilization" in a one-celled animal, cells exchange materials directly with the environment; this implies that [...]

Due to the rapid growth in the population and the rate of industrialisation in Sydney there has been an imbalance between the green spaces and the building open spaces.

In fact, low phosphorus and nitrogen supply in soils initiates the formation of these structures; with increase in supply of phosphorus and nitrogen leading to suppression in dauciform root formation. Caustis blakei is one of [...]

The aim of this experiment is to identify the pathogen responsible for Urinary Tract Infection in the patient and to prescribe suitable medication for the condition.

The experiment was designed to investigate the impact of temperature on the rate of Glycolysis. The experiment results demonstrated that the rate of Glycolysis increases as temperature increases which resulted in the acceptance of hypothesis [...]

Due to a decline in number in the 1980s, the bird was declared as an endangered species under the Australian Environment Protection and Biodiversity Conservation Act 1999 and the International Union for Conservation of Nature.

Although the males have bigger muscles than the females, the latter have better blood flow during exercise, and use one hundred percent of the fibers in their muscles as compared to the former who use [...]

Precisely, the dissimilarity between the sex chromosomes entails the sizes of the chromosomes, the patterns of binding, the centrometric index, the heterochromatin characterization as well as the transcription loops of lampbrush chromosomes.

The goal of the experiment is to get the most suitable temperature that will allow for growth and the temperatures where there would be little or no growth of the microorganisms.

The next step in the experiment was also significant in ensuring the chemical components in the extracts are known and that the anti microbial activity is attributed to each of them separately.

The sampling of Macroinvertebrate constitutes a very important aspect of analyzing a habitat due to the fact that Microinvertebrates are fundamentally vital in defining the health of streams where they habour.

It is the difference in concentration of water across a semi-permeable membrane drives the process. The process is facilitated by the disparity in potential of water across the semi-permeable.

One of the major mechanism through which gene expression is altered is addition where a base pair is added to the normal sequence hence changing the specificity of the protein that the code specifies.

The collection of relevant information gave the basis for the introduction of the organism about the evolutionary development and analysis of the characteristics typical of already existing species.

The most common of the implications of Clostridium perfringens is the gas gangrene which is the death of affected tissues starting with a wound in an anaerobic region especially in the limbs.

The vehicle for the test item was water and the test item was in powdered form, 98% pure and was stored below -200C and had an expiry date of Aug 2011.

The retention of IVCA in the circulatory system is based on the capacity of IVCA to exhibit reversible binding that contributes to the establishment of dynamic equilibrium.

During and after the duration of exposure, the observational studies, biochemical analyses, hematological tests, and histological studies that were conducted on the rats show that the biological responses in the rats did not differ significantly [...]

This is after the realization that the present methods used fail to inculcate a learning culture where students become critical of science, including learning how to analyze scientific concepts and applying the knowledge learned to [...]

Studies that have been conducted led to the observation of a spectacular difference that the number of red muscles was directly proportional to the length of the fishes.

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.

The results reveals the existence of SMOM in all the cases studied healthy subjects and ill patients in the form of fatty acids, phenyl-carbonic components, aldehyde substances, and alcohol, which are never usually synthesized by [...]

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.

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 [...]

Since the transfer takes place in a reaction there is always emission of energy. It is the main distinction in genome.

Lewis' language and the art of comparison he uses, bring this book to a height where it can be proudly called Poetry of Biology.

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 [...]

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 [...]

It should be pointed out that the charge of the buffer is never equal to that of one of the proteins.

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.

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.

His main contributions were as follows: chemical changes like fermentation from the vital activities of yeasts and bacteria, a demonstration that air contains micro-organisms, the discovery of anaerobic life and terms aerobic and anaerobic, and [...]

This theory states that wings developed from a section of the legs of wingless insects. According to Carpenter, wings developed from gills through the evolution of gene expression with similarities between winged and wingless insects.

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 [...]

The study of the morphological and anatomical characteristics of the various organs is very important for the biological study of the plant's functioning and processes.

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 [...]

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 [...]

After treating the outer membrane proteins with tetracycline or ampicillin and determining the differential properties for resistance offered at different concentrations of tetracycline minimum inhibitory concentration 10 and ampicillin 10. Results showed at the MICs [...]

Such pathogenic bacteria are transferred into the human body through milk intake, and at times antibiotics that are administered for the treatment of infection do not succeed in destroying the pathogens, causing a threat to [...]

Each laboratory pair performed a Gram stain using their culture tube to determine the relative proportion of these bacteria at the beginning of the experiment. The significant decline in abundance of gram positive bacteria at [...]

What is the effect of different shampoos on the growth of bacteria on different hair types? 9 Petri dishes Agar gel Cotton buds Three different shampoos Test tubes Droppers Test tube rack Labels

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.

The results showed that the rate of release of oxygen determined the rate of rising of the leaf segment subject to utilization of carbon dioxide proving that the evolution of oxygen could be used to [...]

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.

Based on this idea and the observation that the absence of flight is beneficial to some species of stoneflies the researchers asked the question if insects lose flight before they lose their wings.

Thus, the biogeographic study's first question should be related to the search for the mechanism of dispersal of butterflies so that one of the subspecies turned out to be geographically isolated.

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 [...]

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.

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.

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.

As a rule, the foundation of transgenic technologies lies in the plane of change in the genome of the reference species.

The structure of cells in the nervous system is characterised by their elongated shape, which corresponds to the tasks performed by them.

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.

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 [...]

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 [...]

As a result of mutations, avian influenza viruses sharply change their biological properties and acquire the ability to overcome the host barrier with direct infection of people bypassing the intermediate host.

From all groups of microscopic organisms, representatives of the bacterial and archaean world do not have a nucleus, for this reason, bacteria and archaea are considered prokaryotic cells.

However, according to Bhella, no organisms can be entirely independent of the environment, and life at its core is interdependent. The fact that viruses evolved with other creatures is enough to state that they are [...]

Moreover, the fungus helps to relax the excited state of a person, and the most daring studies show that Lion's Mane can influence the regeneration of brain cells.

The adenohypophysis cells in the pituitary gland are then stimulated by the Gonadotropin-Releasing Hormone to secrete both the Follicle Stimulating Hormone and the Luteinizing Hormone.

One of the motor systems of the central nervous system is called the pyramidal motor system, and its bases are mostly in the precentral gyrus of the cortex.

Since the soil in the harsh and arid regions is salty, this makes the vegetation to have a lot of salt elements in them.

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 [...]

The research focuses on the control of feeding through the food canal and food pouch and the excretion of pseudofaeces from the digestive tracts when food supply levels are high.

The purpose of this experiment was to determine the electrogenic potential of three different Enterobacteriaceae. 2 ml of Enterobacter aerogenes culture was added to the agar in the anodic compartment and allowed to set.

The purpose of the analysis was to estimate the initially "infected" samples. The Scheme of Students' Samples Mixing The standard indirect ELISA protocol was used for the analysis.

One of the challenges that have emerged with the advent of genetic enhancement is the inability to ensure that all people have access to the technology.

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.

The parameters used in the research were mean mass remaining, edge of the forest, age of the forest, and the abundance of the invertebrate organisms.

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 [...]

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.

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 [...]

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.

According to the information presented in the book the energy level and the biorhythm of a person can affect the degree of attention.

To confirm the answers for the self-test, click on the organelles to see the name of the organelle and its function.

It has been identified that the cycle of the moon takes place within the period of twenty-nine days and menstruation in an average woman occurs in the same period."A woman's blood and hormonal cycle follow [...]

A zygote is developed as a result of the fusion of two sex cells the sperm and ovum. The basic element of a chromosome is DNA and gene is the major component of the DNA.

The leaf of the plant is the part of the plant which is more frequently exploited in the form of a remedial herb, although the root of the plant also exhibits medical properties.

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.

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.

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.

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 [...]

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

One of its unique features is large zones of hemolysis because of the complete disruption of red blood corpuscles and as a result release of hemoglobin.

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.

Their testicles develop fully they can be able to produce sperms, and their penis grows to a full size and they can get erections.

Man's weight in the equilibrium is determined by such things as the number of fishermen, the efficiency of their gear, the wages that a fisherman is willing to work for, the price the public is [...]

The genes were allowed to express as dsRNA under the promoter control of T7 RNA polymerase. 300 and 900 bp DNA's of pure pL4440 preparation was not present in the lysate.

The occurrence of this channel occurs due to the existence of a preserved heteromeric membrane protein complex. The result of this is forward translocation movement.

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.

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 [...]

The scientists studied the expression of the Bmp4 gene due to the molecular basis in the size and shape of the beaks.

Culture was a phenomenon in and of itself, unique, shaping how people lived their lives and yet independent of the people it shaped.

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.

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".

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 [...]

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 [...]

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 [...]

It is thought to be carried by nearly one-quarter of the world's population, with a prominent presence in tropical Asia followed by Africa and South America.

In this article, the author describes the work of Steven Benner and other scientists who contributed to the improvement in understanding the nature of synthetic DNA bases.

The emergence of molecular cloning has enhanced the application of pectate lyases in industrial processes of manufacturing natural fibres and fruit juices.

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.

The purpose of this report is to analyse and evaluate the biological properties of Eveleigh Hills soil for use in land cultivation.

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, [...]

The term "Spirochetae" originates from the Greek "spiro" and "create" and owes its existence to the form of the bacteria, which has a spiral shape.

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. [...]

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.

I would like to outline the key characteristics of a living thing from a biological standpoint and show how viruses do not meet these criteria.

The process of cell division in plants is similar to that one of animal cells due to the presence of a nucleus in both types of cells.

With the ability to identify bacteria according to various properties, we can discern the type and then the sensitivity of the bacteria.

After the emergence from the ground, the corn plant continues to grow and elongate over the next weeks to form a stalk.

The study by Kroeze is focused on the ability of plants to listen to music. The article by Landhuis is dedicated to the ability of plants to hear danger that comes in the form of [...]

The aim was to investigate the evolution of animals around the lake, specifically examining the change of body shapes in populations of cichlids that lives on rocks near the lake.

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 [...]