Free Biology Essay Examples & Writing Tips. Page 3

Lucid dreams are dreams in which a person realizes that he is dreaming but can be an active participant in the scenes taking place in the subconscious.

The somatosensory cortex is the sensory part of the brain that includes all sensations received from the skin and mucous membrane and all sensations received from the hands and joints.

However, in a day, there are 24 hours or 1440 minutes, and when the latter is divided by 20 minutes, the result is n = 72 divisions.

The function of the rectus femoris muscle is to turn the hip at the hip joint and extend the leg at the knee joint2.

The variability in the distribution of this plant presents a difficulty in determining the location of the body. The weed found in the victim's hair is of the Bluebunch Wheatgrass species.

Regarding nature, earthworms are animals that directly affect the chemical and biological composition of the soil in which people grow plants, vegetables, and fruits.

The real success came to potatoes a little later - at the turn of the 18th and 19th centuries, when soldiers and horses needed to store a lot of food during the years of the [...]

The most intriguing aspect of the article "Research that shines light on how cells recover from threats may lead to new insights into Alzheimer's and ALS" by Brian Andrew Maxwell is that it offers information [...]

The dental plaque adheres to the teeth due to the bacterial cells while the biofilm clings to the surface of the teeth.

They can influence the presence of estrus in female organisms and can affect the behaviors of individuals of the opposite sex.

The effects of these pressure lead to a shift of the fluid from intravascular to the interstitial space causing edema in the body tissues.

One of the biggest risks to the population of this species is wild animals. The Grand Cayman blue iguana population is gradually expanding and is predicted to continue to rise as a result of continuing [...]

This is a peer-reviewed academic article about the composition, rheology, processing, and pharmaceutical uses of aloe vera based on a literature review of over 12,000 documents from Scopus and Google Scholar.

One of the most important brain developments concepts is neuroplasticity, which is the ability of experiences to impact the structure and activity of the brain.

Using the numerical representation of the participants' results, the researchers calculated the dependence of the memory and theory of mind in the process of recalling the interlocutors.

Some of the factors that affect the ratio of the distribution of native plant species within the Australian states include human activities and environmental conditions such as temperature and solar exposure, and duration.

The fossil record reveals that birds are the modern and feathered version of dinosaurs that evolved from past theropods in the Late Jurassic age. The reason for this is to ensure that fossil particulars weathering [...]

The size of the infectious dose depends on the virulent properties of the pathogen: the higher the virulence, the lower the infectious dose.

The proposed research aims to critically assess the occupational exposure of crude oil tank cleaning workers in the Sultanate of Oman to benzene, toluene, ethylbenzene, and xylene and evaluate the effectiveness of existing control measures.

Because simple squamous epithelium is involved in the composition of the lungs, the heart, blood, and lymphatic vessels, it plays crucial functions in the body.

The other significance of vitamin D in the body is that it can be manufactured when exposed to sunlight. What sets vitamin D apart from the other nutrients and arguably makes it a super nutrient [...]

Adrenocorticotropic hormones - These are hormones that stimulate the adrenal gland to produce hormones. Thyroid-stimulating hormones - These are hormones that stimulate the thyroid gland to manufacture hormones.

Specifically, the effects of two variables at once were evaluated: the proportion of white plumage on the brown coloration of male birds and the concentration of 2-pentadecanone in the reproductive secretion of individuals.

Finally, I would not take this pill since I love seeing dreams and realize that this "miracle medicine" will cause too many negative consequences.

It is suggested that all the different viruses account for the quantity exceeding the number of stars in the universe. Viruses are called obligate intracellular parasites as they need the host cell in order to [...]

The lack of knowledge about the laws of heredity, the genetic and ecological structure of species, and the lack of experimental evidence of natural selection served as the basis for the growth of critical attitudes [...]

Secondly, a few drops of gram's iodine were added to the bacterial smear and then allowed to sit for sixty seconds before rinsing with water.

According to Edmond and William, the dawn of bioterrorism dates back to the nineteenth century, when Louis Pasteur and Robert Koech studied and understood the basics of microbiology. Moreover, another application of biological weapons is [...]

One of the main parts of the neuronal "chain" is a neurotransmitter. In the case of a voltage-gated channel, at rest, the activation gate of the channels is closed, and the inactivation gate is open.

Considering the potential health consequence of the Naegleria Fowleri amoeba, analysis to obtain a fast diagnosis is considered crucial to allow early treatment procedures.

Sodium is reabsorbed in the thick climbing appendage of the loop of Henle. The rest of the Na+ retention happens in the distal nephron.

The next phase, which is the introduction of the hookworm larvae, improves the gluten tolerance levels. The disease that the introduction of hookworm is expected to treat is celiac disease.

Aesculus hippocastanum is not picky about food and can grow for a long time in the shade and on sub-hourly soils.

Species do not truly exist in nature due to evolution and the interconnected essence of existence; therefore, the concept is purely subjective.

First, information is processed in sensory memory, which perceives sensory events for a couple of seconds to determine whether the information is valuable and should be kept for a longer period. As information goes through [...]

It originated in Asia and Europe first and then was introduced to the U.S. The plant is common in 27 states of the U.

The structure of the proposal follows the logical layout, beginning from the background of the issue through the methodology to problem significance and research innovation.

The present study seeks to address the gap in the research regarding the executive function of VWM and consciousness. This study will follow a modified structure of Bergstrom and Eriksson experiment on non-conscious WM to [...]

The presence and content of 2-pentadecanone in the male may be related to the saturation of particular odors that excite the reproductive call of female birds.

Further, I will describe the three things I learned during the course: the structure and functions of proteins, Mendelian genetics, and genetically modified organisms.

A, changing the PM's permeability allowing entry of materials that may be harmful to the cell, and denaturing Proteins that make up the mosaic.

However, it is crucial to choose the right type of water, as in some cases, it can lead to a deficiency of vitamins, including B12.

The salivary glands contribute to the breakdown of the nutrients in the mouth while the pharynx directs the eats to the esophagus.

Hippocampus plays an essential role in the memory formation process because it is the part of the brain where short-term memories become long-term memories.

Coal air pollution in England in the 19th century made the environment for dark-colored peppered moths more favorable and degraded it for light-colored ones.

Stress is a non-specific body reaction that occurs under the action of various extreme factors that threaten the violation of homeostasis and is characterized by stereotypical changes in the function of the nervous and endocrine [...]

It provides examples of scientific research about the application of stem cells in the process of the regeneration of bones and teeth.

As the centromeres of a cell align among the spindle equator, the genetic material of the maternal cell is duplicated, which allows for the two daughter cells to emerge.

Neuroscience studies how the brain works and what is the structure of the brain. It is important to understand the anatomy, physiology, biochemistry of the brain, and to correlate them with the behavior.

Data mining regarding the classification of iris flowers will be important in identifying the existing iris species, outlining the structural differences between the various species, identifying the possible causes for the differences, and underpinning potential [...]

The egg cell was applied in the experiment because of its properties. The experiment was conducted as a kitchen science experiment.

However, viruses cannot sustain themselves and are not capable for independent replication, hence, it is not a living organism. To conclude, viruses are on the boundaries of the living and non-living area.

The rabbit dissection process is based on the separation of different systems of the carcass and the assessment of their condition.

This type of medium is standardly used to isolate Gram-negative bacteria, with a source of nutrients in the form of carbon and nitrogen from the casein hydrolysate that is part of the C-CNA.

E Coli is a common type of bacteria that is found in the intestines of human beings and the gut of several animals.

Loss of function of suppressor genes resulting from mutations becomes the cause of cancer development: the cell divides abnormally, increasing the cell mass of the tissue.

Today, the field of their use in human life is so vast and diverse that it makes an invaluable contribution to the development of such industries as health, industry, and the functioning of the environment.

This discovery invalidated the eukaryote-prokaryote dichotomy by revealing the concise division of the 16S rRNA tree into three primary branches, which was later distinguished as the three life domains: Eukarya, Archaea, and Bacteria.

One feature which is common for both types of cell models is the tissue of origin both of them stem from, which means that to some degree, they share the same genetic makeup.

The introduction also encompasses the description of the researchers' procedure, addressing the aim of examination and stimulation of the electrical signals in plants.

This is achieved when one-third of vegetable and two-thirds of animal fats are used in the diet. The sources of dietary lipid in food are fats used in food preparation and those contained in food.

The amniotic egg evolution is an adaptation that allowed the first reptiles to thrive in a dry land the development occurred over 300 million years ago. The robust shell protects the egg from drying out, [...]

In the above table, humans rely on bees to facilitate pollination among food crops and use their honey as food. Concurrently, lichens break down rocks to provide nutrient-rich soil in the relationship.

The body's response to such signals often results in sweating, one of the most visible manifestations of the thermoregulation in the human body.

The central part of the system is located in the brain and spinal cord, and all reactions appear there, while the peripheral one operates all over the body to deliver the signals to the organs.

First, artificial kidneys are claimed to prolong the lifespan of patients with kidney problems. Artificial kidneys are hoped to improve the convenience, and effectiveness of dialysis.

It then progresses to the pupil, where the size of the pupil varies depending on the intensity of the incoming light, a phenomenon referred to the as pupillary light response.

Due to the anatomy of the lymphatic system, it is sometimes thought to be part of the main circulatory system in the body.

Proteins are the main structural building blocks of the body that are used in building and repair of worn out tissues.

NK cells were first discovered in 1975 as lymphocytes of the innate immune system that can kill leukemia cells in vitro without previous sensitization: Since then, NK cells have been revealed to play an important [...]

For example, it can be between plants and plants or animals and other animals or animals and plants, whereby the survival of one is threatened or lowered by the existence of another especially when there [...]

Some of the basic parts of the brain include the cerebral cortex lobes namely; the temporal lobes, the frontal lobes, the occipital lobes, the parietal lobes, the prefrontal cortex, and the limbic system.

The reliable tests for conducting genetic testing should be more than one in order to remove the element of doubt on matching DNA bands.

The hypothesis of the second experiment process was that Elmer's Glue changes into a rubber-like material from a glue-like substance. After the second process of combining Borax solution with Elmer's glue, a rubber-like material was [...]

When it is disrupted in the reproductive organs, the changes are passed on to the offspring as mutations, which are mostly harmful to the organism and related to many deaths in the course of the [...]

Exercise stimulates the release of neurotransmitters that reduce anxiety and induce a slight sense of joy. Serotonin encourages delight to exercise regularly; after a long break, the stimulation decreases, and restart workouts become challenging.

The brain also provides a long-term storage memory where a reader may be in a position to recall the events that have taken place in the comprehension and the right order.

The findings are indicative of the fact that monkeys with striate lesions under standard conditions, where the target stimuli were delivered without the removal of the fixation point, did not move their eyes or saccade [...]

This presentation will show how animals and plants evolved with time passing. It is critical to examine the factors that underlie these processes and their outcomes.

The saliva of humans and some mammals contains amylase: the enzyme that begins the chemical process of food digestion. I took the pollution of the environment with heavy metals and the effect on photosynthesis.

The clinical manifestations of chlamydial infection depend on the virulence of the pathogen, the duration of the stay of chlamydia in the body, the topography of the lesion, the severity of local and general reactions [...]

The efficiency of this instrumental method is built on the idea of close similarity in the structure of DNA molecules to be more precise, the arrangement of nucleotides in it between closely related species: the [...]

However, the dangerous psyllids have been a threat that discourages farmers from investing in the fruit due to the impact the disease has on the plant both in the short-term and in the long-term.

In ancient times, the Old Testament of the Bible, the Jewish Torah, and the Babylonian Talmud describe the pomegranate as a divine fruit conferring forces of fertility, good luck, and abundance.

The main functions of the testes are to produce testosterone which is main male sex hormone and generating sperm. The epididymis refers to the long, coiled tube at the back of the testicles.

Ilic and Ogilvie argue that this is a dilemma between the obligation of doctors and scientists to save lives and the need to destroy it in order to obtain stem cells.

The topic of this audio record is a variety of problems with sleep and their impact on an organism. They proved the aforementioned conclusion and also paid attention to the impact of sleep deprivation on [...]

The bones in the snake are the last remaining parts of the pelvis though the snake's bones however, the snake does not have bones.

The following paper would outline a process which would allow the researcher to grasp an understanding of the way life is created in order to fulfill all the different functions and operations of a cell.

Antibiotic resistance The capability of a bacterial species to survive the impact of the administration of chemicals that are designed to induce death is known as antibiotic resistance.

One of the distinct cells in the blood or hematopoietic stem cell. Due to this functionality, the blood and skin cells' pose the greatest ability of differentiation and self-renewal.

The nutrients obtained by the plant are used in the growth and development of various plant parts. Thus, plants have mechanisms of regulating the distribution of nutrients and biomass to various parts of the plant.

The means of SCOBY growth in black tea, green tea, chamomile tea, and distilled water are not significantly different. The means of SCOBY growth in black tea and distilled water are not significantly different.

Male and female reproductive systems have several similarities including the fact that most of the reproductive organs are developed from similar embryonic tissue that make these organs homologous. In male and female reproductive systems, [...]

A few scincetist have delved into the uncharted territory that tries to connect intelligences and the occurrences of certain genes. In from studies and careful analysis of the brain, scientists have made certain interesting discoveries.

From the experiment on the rats, it seemed that the new neurons could be produced in a cognitive challenge, then fade away.

A gross rise in the increase of weight has led to serious scientific research and debates to come up with the most efficient way to regulate the human body weight.its worth noting that the main [...]

The paper will study the dispersion and distribution of the tree and the shrub types of Euclea divinorum. The plot that will be followed in this paper is from the common distribution of the organisms.

Second, the paper by Byne et al.not only studied the volume of the various interstitial nuclei of the human anterior hypothalamus, but also focused on investigating if the cell number in the various nuclei has [...]

In order to see if people are really at risk of having health issues because of ELF MF, the researchers paid attention to the changes in the sample's heart rate, arterial pressure, and skin blood [...]

This paper aims to investigate the article The Effects of Finish Sauna on Hemodynamics of the Circulatory System in Men and Women by Prystupa, Alicja Wo y ska, and Jansl y ski.

The cochlea is a spiral fluid filled structure and it propagates the vibrations from the fluid to the nerve impulses that direct them to the brain via the auditory nerve which is a collection of [...]

Enzymes should be in a proper shape to function well and resemble the way a key in the lock functions and they way it is affected by the nature.

In the coming years, the increase in the global temperatures will make many living populations less able to adapt to the emergent conditions or to migrate to other regions that are suitable for their survival.

It is important to understand the body and control the functions of the reproductive system and coming up with drugs that can inhibit reproduction in a safe manner.

Current research, as discussed by the symposium speakers explicitly cited in this article, reveals that genetics plays a fundamental role in evolution science and it is indeed the mutation of genes that actually allows organisms [...]

The multispecies microarray that was developed was able to show patterns of gene expression in zebrafish once exposed to estradiol and 4-nonylphenol.

The main reason for conducting this research is to understand the dependency of the head injuries got in childhood after the development and changes in the human brain in adulthood.

While undertaking the isolation, the authors noted in their study that one of the distinctive properties of the Aequoria aequoria is that it had the ability to emit a greening luminescence.

All through their investigations and findings, the researchers attempt to uncover the paper's hypothesis that stated, "To determine the factors that influence MMR in mammals". To select the best data, the researchers employed the standardized [...]

Gastropods constitute one of the major groups of the molluscs that also comprise the Bembicium nanum in the top shell category. The objective of this study is to evaluate the size variation and Zonation in [...]

The main function of the flagellum is to help the cell in locomotion. In addition, a change is observed in the appearance of the stool.

Light enters the eye through the cornea and passes through the iris to the retina where it is focused. Photoreceptor cells are linked to the optic nerve fibers and make the image more visual.

The article serves the purpose of examining the role of NOG, a gene that is essential in bone development and its role in breast cancer.

The individual functions of the individual organs of the body ensure that the body is at some equilibrium; all needs of the body are met.

The mixture of water and medium was then poured into the petri dish and swirled to completely cover the surface. The colour of the colony was then observed.

Cyclooxygenase is a gene responsible for the regulation of the synthesis of prostaglandins.mRNA is derived from the sequence of the DNA in the process of transcription.

However, it is sensitive to most of the antibiotics specific to the bacterium although the sensitivity is easily lost due to its unique mechanism for resisting antibiotics particularly through the production of lactamase enzyme.

Carbon monoxide poisoning is a situation where the inhaled amount exceeds the acceptable levels and cause undesired effects to one's body. This is one of the main laboratory evidence of carbon monoxide poisoning which was [...]

The microplate indicated a good match with the organism an ID appeared in the bar area, which is green in color, at the middle of the screen which is at the pinnacle of the results [...]