Free Biology Essay Examples & Writing Tips. Page 6

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.

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.

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.

The presence of circular shape in the morphology part may indicate that the organism may be Xylophilus ampelinus which is a gram negative aerobic cocci.

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.

Sleep is the state of the mind involving temporary loss of consciousness leading to the resting of the mind. Sleep is one of the most important requirements in individuals so as to ensure the well-being [...]

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

He is helped by the motion of the cilia which act as a lining at the cervix and also the muscle contractions during orgasm.

This is mainly due to the fact that the climatic conditions in the North-Western U.S.are appropriate for the cultivation of pumpkin.

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.

The white pine blister rust in collaboration with other damaging agents like the mountain pine beetle and the wind can ultimately contribute to the death of the tree The disease was initially documented in the [...]

The hypothalamic-pituitary-adrenal axis is a major player in the stress response system and activation of this axis in response to stressors results in the release of adrenaline and glucocorticoids.

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 [...]

The brain, which carries the memory of the species, is a complex and delicate organ believed to carry the functions of the species.

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 [...]

This is important to language and the right hemisphere and the fundamentals of cognitive neuropsychology are used in applications of relevant research.

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 [...]

Meiosis is the basic process happening in the cells carrying the genetic information about the organism into two cells, while the number of chromosomes in the resulting cells is divided into two equal parts, thus [...]

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.

Glycolysis is the process whereby sugar is broken down to produce energy in the human body. In the process of glycolysis, sugar gets oxidized and released in the form of energy ATP energy.

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 [...]

In the same respect, the reason why other mammals cannot see color as well as we do is because they do not have the three pigments.

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 [...]

In a normal state, the difference in charged ions inside and outside the membrane and also the availability of a concentration gradient could make the positively charged sodium ions attempt to cross the membrane and [...]

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 [...]

The structure of the plasma membrane and the membrane transport system facilitates the controlled and selective ingress and egress of ions and molecules from and to the external environment of the cell.

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.

Cattle are the main infection reservoir, and infection transmits from animals to humans, rarely from one person to another. In other animals, fistulous bursitis with isolation of Brucella abortus from the track is the cardinal [...]

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.

Many women have a negative attitude towards menstruation because of the associated changes as the cycle begins and ends. Meanwhile, the use of contraceptives has been noted to influence menstruation.

Such a torturous description of the suffering amplifies the paper's argument of how dangerous this disease has proven to be for mankind. Another type of small pox; flat is always considered to be fatal highlighting [...]

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.

The authors of the article Cogle et al.researched under the auspices of Stem Cell Biology and Regenerative Medicine Program of the University of Florida Shands Cancer Center.

In order for an editosome to approach a specific sequence site along the nascent mRNA strand, short-sequence RNA guides that originate from the mitochondria assist in the identification of sequences along the strand that require [...]

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.

The article is focused primarily on what can be done to try to save these species for the future and presents a plan that has been adopted by the IUCN The World Conservation Union.

It is also no surprise that the environment and the great diversity of plant and animal life in Hawaii made the National Research Council declare the islands as "one of the best places in the [...]

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

TLR 2 is concerned with the recognition of the lipoproteins from the various microorganisms. TLR 4 is involved in the recognition of the lipopolysacharides.

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.

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 [...]

This involves a furrowing of the inner and then the outer membrane as if someone was pinching the mitochondria. Of course, the mitochondria must first multiply itself several times as their DNA.

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 relationship between microbes and human being is complex and very delicate as some microbes keep human beings healthy while another cause sickness.

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 study was able to establish that accessory gland size exhibited positive allometry and males with larger accessory glands were more likely to copulate suggesting that larger size in this trait is favored by sexual [...]

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.

The heart is situated in the middle of the thorax with the largest part of the heart slightly offset to the left but for dextrocardia, it is on the right.

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 purpose of this experiment is to analyze the quality of water from a wetland with a specific focus on nitrite, phosphate and bacterial content.

The purpose of this paper was to determine the origins of plant growth and ascertain the role of light in the growth and development of plants.

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.

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.

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 [...]

Researching the hybrid offspring of two different Geospiza species may allow delineating some of the existing trends in evolution and speciation, as well as clarifying the views of prominent contributors to evolutionary theory.

These effects were attributed to the role of gibberellins as allelochemicals in the germination of sunflower seeds. A total of 36 seeds were allocated to the control and treatment groups.

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

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.