Free Biology Essay Examples & Writing Tips. Page 6

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.

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 [...]

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.

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 [...]

Should the cell wall appear pink after staining; then it is a gram-negative bacterium due to its nature of retaining counter stain after the removal of decolorizer and gram-positive if it appears purple, Should the [...]

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.

Substances that could easily lead to addiction are the elements that directly motivate the dopaminergic system such as marijuana, cocaine, nicotine, and heroin.

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 [...]

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 either affirm or reject the hypothesis it is necessary to access the home page of Mass GIS and obtain background information on the Hessel's Hairstreak butterfly and the Juniper Hairstreak as the latter is [...]

There is also the risk of exposure to breastfeeding babies as the chemicals in the herbicide can pass to them through their mothers' milk.

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.

Recent studies were discussed with the help of information processing, Vygotsky's Sociocultural Theory, and Ecological Systems Theory, which discuss the influence of the microsystem, the mesosystem, the exosystem, the macrosystem, and an ever-changing system in [...]

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.

Growth retardants like Sumagic, Cycocel and A-Rest are the synthetic formulations used for controlling the natural growth habit of plants in Nursery. Working solutions of Sumagic and A-Rest were the original formulations to which H2O2 [...]

Cellular metabolism determines the inner constituents and cell membranes control the flow of ions and other constitutes into and out of the cell. It also depends on the extracellular fluid that surrounds the cell in [...]

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 disease affects the tissue of pink starlet coral and the blush star coral and to a lesser extent in Montastraea annularis.

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 [...]

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 [...]

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.

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 [...]

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.

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.

The disadvantage or the negative part of speciation is that some of the species that are not able to adapt to the changes will be extinct in a few year's time.

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 [...]

Colony Collapse Disorder is the name of the decease that is attributed to the latest, and one of the most serious problems, associated with disappearing and death of honey bee colonies all over the country.

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 incubation period of 30 minutes generally results in the sedimentation or aggregation of the red blood cells at the bottom of the test tube.

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.

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 [...]

However there is a gap in the knowledge base to prove the relation between disgust sensitivity, illness and health in human beings, which the current study considered to prove as hypothesis.

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.

Nonetheless, studies have shown that closer proximity to the patient and sharing the same household makes the other members susceptible to the acute illness.

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 [...]

While it appears to swim with the aid of delicate-looking fins that line its sides much like the fish uses its fins top and bottom to help propel it through the water, the cuttlefish has [...]

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, [...]

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 [...]

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 [...]

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 [...]

As for the fourth piece of bread, I put half of it in the dark warm place, on the top of the fridge in a paper bag, and the other half I put in the [...]

The DNA is similar in every cell of the body, but depending on the specific cell type, some genes may be turned on or off - that's why a liver cell is different from a [...]

The article under consideration focuses on the disaster that shark populations have faced: the present collapse of great shark populations is worse than any in the known history of the ancient predators.

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.

But because of their environment, the hipbone cannot develop into a spine as the organism will not be able to survive in their environment.

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 self-assembly feature of the PAs has several goals that it can achieve because the role of the peptides is integral in many biological processes.

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

T-test was also used to determine if the apparent differences in body weight and the level of leukocytes were statistically significant.

In the experiment, male back cross enabled the identification and differentiation of the nature of linkage that exists between the white marks and the white gene.

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.

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, [...]

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.

The diagnosis of HIV infections involves the detection of antibodies in the blood. The purpose of this paper is to discuss the HIV virus as an example of bloodborne infection.

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.

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.

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 [...]

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

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 [...]

According to Soni et al, moderate to high temperatures can eliminate all Bacillus and Clostridium vegetative cells and spores, improving the safety of meat and dairy products.

One of the experiments observed the inhibition of PLA2 by Benzophenanthridies and MIAs in the plasma membranes of the California poppy and the rosy periwinkle.

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 [...]

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 [...]

This is in regard to the nature of cancer cells in the sense that some develop as a result of genetic mutations.

The author states that no one knows why sleep exists therefore setting the context for the article in which she advances the numerous theories that are advanced as to the role that sleep plays.

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 [...]

Therefore, the objective of the study was to determine the invasive and adherence abilities of S.typhimurium relative to E.coli. In the comparative study of invasiveness and adherence of E.coli and S.typhimurium, the study used INT407 [...]

B-cell and T-cell epitopes should be identified in the immune system as a considerable factor in vaccine design and a possibility to replace a whole pathogen.

According to Gibson and Ashby [8], the material in question can be seen in nature, for instance, wood or sponges are examples of cellular solids.

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 [...]

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 [...]

The escalation in the prevalence and gravity of staphylococcal contagions necessitates assessing the burden of asymptomatic carriage of Staphylococcus aureus in the community setting.

The objective of the study was to compare the nature of proteins in egg yolks of chicken, duck, and quail, which are three common species of poultry.

The main gap in the chosen type of investigation is the inability to identify all reactions and potential threats due to the lack of well-developed projects.

Therefore, the aim of the essay is to examine the problem of resistance in H.pylori and describes its mechanisms. Thus, the analysis of resistance in H.pylori shows that the determination of the individual, local, and [...]

4 Therefore, the examination of arthropod selectivity of Venus flytraps is crucial to elucidate their interactions in nature for ecological and evolutionary benefits.

DNA was obtained from blood, muscle tissue and feathers of the bird. The last step was to visualize the DNA extract through gel electrophoresis and making conclusions of the bird's sex.

A comprehensive description of the family peculiarities started with the analysis of general characteristics of lizards and the features they obtained throughout the evolution.

As for the objection concerning the nature of the change, it is possible to argue that other species' actions can also be regarded as deliberate.

The mode of action of disinfectants involves interfering with the metabolism of bacteria and the integrity of the bacterial cell walls.

Greening is among the major threats which can negatively impact the citrus industry through decreasing product quality and quantity and thus increasing their price due to the necessity to plan time- and cost-consuming strategies to [...]

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 [...]

Prior to Ohsumi's research, the 1960s saw the discovery of the cell's capacity to transfer its contents in the enclosed membranes to the lysosome, where the contents are recycled.

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 [...]

Additionally, the objectives include the practice of the method and the accumulation of empirical material for the verification of findings from the literature review.

Even if a woman is menstruating, which is indicative of their potential to get pregnant, abnormal hormone levels within a woman's body can cause issues when it comes to the density of the uterine wall [...]

This category also includes the transmission from a woman to a fetus in her uterus and the transmission from one part of the body of an individual to another part.

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. [...]

Most of the scholars ascribe the language to the intricate social structures unique to humans and the inevitability of the emergence of the sophisticated signal system to support the society.

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.

The spreading of the produced hyphae enhances the tree to produce plugs that play a significant role in cutting off the xylem vessels which are responsible for movement of water within the plant."The cutting of [...]

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 [...]

During the growth of the plant, water is necessary for transpiration and evaporation. The objective of the study was to determine whether plant type affects growth rate when using minimum water requirements.

For this reason, this review focuses on the provision of more insights on the subject of sex and evolution with a specific focus on the explanation of female preference for multi-modal courtship and why the [...]

A UV-C is a lamp installed in the HVAC system to radiate shortwave UV-C energy, which is supposed to help get rid of airborne mold spores.

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.

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 [...]

The use of information has elicited debate in relation to the description of the association between genes and other structures. It is defined by the nature of information in the genes, the program used in [...]

It can be argued that the brain-to-brain interface experiment described in the study was a sophisticated variant of the knee jerk reflex.

It allows them to be what they are and to survive in the wild world. When it comes to people, the smell is an indispensable and an important part of their life.