Free Biology Essay Examples & Writing Tips. Page 5

During the process water from the soil is taken up by the roots all the way to the leaves via the xylem.

The aim of this study is to understand the mechanism of regulation that affects the centrosome duplication which will be a valuable funding for understanding of the cell behavior and preventing mechanisms of the cell [...]

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 [...]

The research conducted shows that it is possible to identify small amounts of pseudomonas cells in milk when on-chip flow cytometry is preceded by FISH, in a time frame of 16 hours.

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 [...]

Nicotine is a highly venomous and addictive substance absorbed through the mucous membrane in the mouth as well as alveoli in the lungs.

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 study will be guided by the following research question: In what ways will the predicted loss of snow cover due to climate change influence the density and habitat use of the mountain pygmy-possum populations [...]

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 purpose of this paper is to discuss the effects that serotonin has in the brain and how it interacts with other chemicals in the body Serotonin is an indoleamine chemical secreted by the brain [...]

For a long time classification of the trematode has been a controversy among the research community due to the various morphological forms of the species that have been identified.

The other group, the non fermenting bacteria consist of some genera such as Serratia and Haffina. The aim of this experiment is to study Escherichia coli and Klebsiella pneumoniaea both of which are lactose fermenting [...]

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.

This review will show the development of the chimpanzee pancreas, the anatomy of the fully developed pancreas including its histological cellular components, the molecular interactions that regulate the development of the pancreas, and discuss a [...]

Kidney allograft rejection is a common pathological condition that is associated with allograft nephropathy and it is a cause of concern for clinicians.

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.

When managed properly in accordance with the five principles of good management, they provide a number of benefits that include: Detoxification of wastewater Capturing renewable resources such as energy and water Sensing pathogens in the [...]

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.

Intra-flagella transport revealed in a model of both membrane and non-membrane bound flagellar protein shuttling between the cytoplasm and flagellar compartments. Here interaction between the proteins and intra-flagella transport takes place.

The steps are as follows: Add slowly drops of crystal violet on the surface of the slide completely and for 1 minute allow it to stand.

100 l from the supernatant for SDS-PAGE was taken and a similar volume of buffer added back to the pelleted beads.

It touches on plant cell DNA extraction, animal cell DNA extraction, sequence used in DNA extraction and composition of the sample.

The process of teeth like projections on the body of vertebrates evolving into teeth is clear in some type of sharks where the scales present on the body of the shark change to form teeth [...]

The aim of the paper is to discuss the principles of asymmetric limits, and the way they influence reproductive success as well as the sexual selection of the species.

One of the crucial enzymes in the food industry is external invertase from Saccharomyces cerevisiae. The key functional state of the external invertase is a homodymer with a molecular mass of 270 kDa.

This type of feed is meant to attract different types of birds as many birds will find their favorite seeds in the blend.

The Artemia spp makes use of compound eyes as the light perceptive organ to distinguish any magnitude of light in its neighboring.

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 synthesis addresses the question of the origin of sleep in mammals and traces this phenomenon by studying the evolution of the mammalian brain and suggesting possible external factors that affect sleep patterns.

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 [...]

The genus and species names are written in italics, with the genus name starting with an upper case letter and the species name starting with a lower case letter, e.g, Homo sapiens, Phyllomedusa callidryas, Toxicocendron [...]

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 [...]

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 [...]

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 [...]

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 [...]

The outcome of the results was based on Sensitivity, Stability and Precision as the three parameters that facilitated the analysis of Enterococcus species into two sets of media for selectivity determination.

It is stored in the substances of the cells like carbohydrates, proteins and lipids, and is released through the interaction with oxygen.

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.

One of the main classes of vertebrate tissues is the nervous tissue. Glial cells are responsible for development of myelin sheath and preservation of homeostasis in the neurons.

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 [...]

The microbes that stick on the surface of the epithelial cells and the tooth do so with the aid of a biofilm. The pharmacist was the custodian of the information pertaining to the identity of [...]

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.

The previous working hypothesis that TFs either bind perfectly to a sequence motif or do not bind at all meant that the analysis of ChIP data made use of a digital model such that all [...]

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.

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 [...]

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 [...]

In the chromosomes, DNA is organized and compacted by chromatin proteins. The interaction of DNA and other proteins is guided by compact structures.

In the place of the leaves the plant has thorns which are used to protect the plant from its predators and help in conserving water for the plant as it does not lose water in [...]

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 [...]

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 [...]

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 [...]

Photos clearly showed the importance of hox genes in the process of hindbrain development and revealed the necessity of calcium in the environment and nutrition of zebrafish.

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

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.

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.

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.

The color of the acosphores is not the same and is varied, where some of the acosphores are seen as black, while the others appear as white.

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 [...]

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 [...]

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.

This is because the organelle has a specific activity in the cell as an organ has a specific function in the body [12].

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.

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.

In the context of biogeographical studies, the question of Canary pine distribution in the area of the west coast of Africa is determined by the depth of phylogenetic measurements carried out in conjunction with the [...]

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.

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 [...]

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.

The reactants of the respiration are glucose circulating in the blood and oxygen obtained from breathing, while the product is ATP.

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

The described process of alternating the stable state of the species and its rapid replacement with a new one was called punctuated equilibrium.

Centrifugation is used for separating particles from a certain solution in a liquid medium with reference to their shape, size, or density, among other factors. Molecular cloning is applied for adding recombinant DNA molecules to [...]

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

Connective tissue is one of the four types of animal and human tissue, which develops from the mesoderm and is found in between other tissues everywhere in the body.

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.

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.

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.

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.

Language expression and reception are executed by specialized parts of the brain that include Wernicke's area, Broca's area, and certain regions of the cerebral 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.

The gene is present in the genome of a large percentage of E.coli ST131 resistant to fluoroquinolone. It is also the most resistant subgroup among the isolates of the ST131 clone.

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.

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.

The menstruation is the end of the cycle when the woman is not impregnated, while the production of semen is the beginning of a potential new life.

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.

After that, 15 l of a molecular weight ruler and all the samples were added into the agarose gel, according to Table 2. No DNA fragments were identified in line #5 that contained the food [...]

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.

The tube cap was removed with the little finger of the dominant hand, and the tube mouth was incinerated in the flame.

From simple analysis of cranial structure, body size, tooth shape among other aspects, they are able to reconstruct the ecological and social composition of the past hominids and make inferences that facilitate the comprehension of [...]