Free Biology Essay Examples & Writing Tips. Page 4

812 samples

Phenotype Description of Drosophila

Given that the mutant has dark-brown eyes, an appropriate name for the mutant is 'cocoa' because the color of the eyes and their shape resemble cocoa grains.
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The Chemical Composition of Food

Secondly, the liver makes most of the cholesterol in the body which is still not important and the body takes only about 50% of the cholesterol in the food eaten and the rest is eliminated [...]
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How Blood Transports Respiratory Gases in the Body

The blood cells are mainly the red blood cells and the white blood cells but the most abundant cells are the red blood cells bearing, which carry the haemoglobin; a ferrous protein molecule important in [...]
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Brain Injury While Football Playing

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.
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“Regenesis” by George Church and Edward Regis

The ability to control living things has triggered a biotechnological revolution, which is only comparable to the changes that are witnessed in the information and communication technology.
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The Distinguishing Features of the Right and Left Kidney

Reabsorption starts in the proximal convoluted tubule, where sugars and a large amount of water are reabsorbed into the body and commences in the collecting duct. Antidiuretic hormone is another hormone that responds to the [...]
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Allometric Scaling of Maximal Metabolic Rate in Mammals

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 [...]
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The Size Variation and Zonation

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 [...]
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Biology Experiment: Hormone and Its Effect

It is emphasized by Erickson and Tadaaki, that avocados do not ripen while attached to the branches, and ethylene increases the speed of ripening. This will be tested by placing avocados under the test bell [...]
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Vision, Its Structure and Function in Humans

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.
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Forensic Analysis of DNA and Biological Material

This was the first stage when carrying out the DNA test on a biological material. Notably, the forensic analyst was not allowed to touch the collection pad of the swab as a precaution measure.
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  • Words: 1919

Food Insecurity and Obesity-Promoting Feeding Styles

The information presented in the article "Food Insecurity and Obesity-Promoting Maternal Infant Feeding Styles and Practices in Low-Income Families" by Gross serves the purpose of showing that while eating a lot of food may lead [...]
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Natural HIV Control by Bruce Walker

The ability of the immune system of individuals to fight HIV infection depends on T cells and not by how many T cells are produced. The article is important in that it shows the role [...]
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Senses and the Endocrine System

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.
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Arabidopsis as a Model Organism

Model organisms can be described as organisms that are capable of being used in laboratories studies to conduct certain research or experiments."Arabidopsis thaliana is a small flowering plant that belongs to genus Arabidopsis, a member [...]
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Bacteria Identification: Enterobacter Aerogenes

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.
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  • Words: 1096

Carbon Monoxide (CO) Poisoning

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 [...]
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The Rhizoremediation for Plant

The structure of the DNA dictates the external features the plant express which have widely been used to determine the kind of a plant environment in which they fit.
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  • Words: 1903

Staining as a Way to Identify Microorganisms

This procedure is applicable in the study of micro-organisms or the identification of the sample is unknown. Firstly, the gram stain technique is used to distinguish gram-positive and gram-negative bacteria, and the acid-fast technique is [...]
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Analysis of the Brine Shrimp

The Brine shrimp, which is also known as the Sea monkey, has been used in the modern world as food for fish and is of high quality because it can be grown using the aquaculture [...]
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Botany: The Beavertail Cactus

Phylum Angiospermae is known to dominate the land because it consists of the highest number of species in the kingdom Plantae. Beavertail cactus exhibits several structural modifications in the leaves, stems, roots and flowers.
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Staining Techniques: The Endospore Test

The next step included a smear by use of iodine for a minute and the stain was washed with water. A counter stain was added on the smear and left for a minute.
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Inhibiting Grass Growth by Salt

The practice results in an increase in concentration of salt in the soil and/or accumulation of salt on the foliage. Road salt inhibits the growth of grass.
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Consideration of the Reproductive Systems

In fact, reproduction in living things is classified as asexual or sexual depending on the nature of the reproduction. Cell division is essentially the process that occur in the cell, which lead to division or [...]
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Evidence for Biological Evolution

The interconnection between life and evolution remained a mystery until the radiance named Charles Darwin illuminated the scientific world with a novel piece of work titled "On the Origin of the Species using Natural Selection [...]
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Structure and Evolution of Plants

The brown color they have is derived from the presence of brownish carotenoids they have in their cell chloroplasts. Phototropism has been defined as the tendency of plants and some fungi to grow in a [...]
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Biological Insect Control: Augmentation

However, I need to clarify that the control is only due to the natural enemy and not the progeny as no reproduction of the natural enemy is expected.
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  • Words: 1260

Inhibitory Influence of Salt on Grass Growth

Prediction: It was predicted that if salinity was increased in certain regions of the growth medium, then growth rate in such regions was likely to be low, and vice versa.
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Coffee in the Development of High Blood Sugar

These high levels of glucose in the blood may even lead to the death of the victim. The net effect of this condition is high glucose levels in the blood plasma of the victim.
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Developmental Biology: DNA and MicroRNA

This is augmented by the strengthening of patterns and the increase in the number of lateral cells that are crucial for the process to be successful.
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Deoxyribonucleic Acid: Review

The goals of this experiment are: to enable us to become well acquainted with the physical characteristics of DNA by separating it from living tissue, and the use of each stage in the isolation process [...]
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New Generation of Microbe Hunters

The greatest fear of the doctors was the fear that the same thing could happen in their area and they would not be able to help the patients since the strain of the bacteria had [...]
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Bio-Refinery Processes and Product

In order to understand the potential of the spoiled dates in energy production, it is necessary to review the types of date seeds to determine their chemical composition.
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Identifying Lyme Disease Host Species

This clearly shows that the reservoir potential of mice is high and hence an assertion that mice are the major hosts of B.burgdorferi and immature ticks.
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Cell Theory, Functions, Discoveries

The basic premises of cell theory include that the basic unit of structure in all living organisms is the cell. The other premise in cell theory is that the functionality of an organism is a [...]
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Viral Inhibitor of Human Caspases

This is especially so given the fact that throughout the development of this nematode, the number of cells in the organs is highly controlled and almost all mature C.elegans contain the same number of cells [...]
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The Effect of Acetone on Wheat Seed Germination

The experiment was carried out to study the effect of Acetone on the germination of wheat seeds. As a result, the study focused on the effect of acetone on the germination of wheat seeds.
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Richard Preston’s Idea of Nature

In addition, he has authored a number of books such as 'First Light', 'American Steel', 'The Cobra Event', 'The Hot Zone', 'Wild Trees' and 'The Demon in the Freezer'.'The Hot Zone' was published in 2002 [...]
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Extraction of Chlorophyll A

The objective of this lab was to extract and measure the quantity of chlorophyll-a present in phytoplankton and use it to estimate the biomass of phytoplankton.
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Microbiologic Exposure

The transmission of disease requires the interaction of the environment, an agent, and the host of the disease. The following essay highlights some of the infections that may be acquired from an individual coughing in [...]
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“What’s the Fuss about Stem Cells?”

The primary goal of this essay is to emphasize the importance of the research of the stem cells, provide a precise definition, and explain their functions in the body.
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Aspects of Biology as a Subject

Understanding the causes of disease variations and using the information to improve the health of the population will be my main benefits I will offer to the society.
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Principles of Nervous System in Animals

The procession and interpretation of the sensory organs is then effected by the nervous system to facilitate an understanding and interpretation of the surrounding. Cephalization consists of the actual concentration and accumulation of the functions [...]
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Biocompatibility: Cell Adhesion

Actin filaments play a role in cell shape, motility and dynamics of the cell. Actin filaments are proteins, and have a function in mobility of the cell and its organelles.
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Aspects of Mass Spectrophotometer

The purpose of the experiment was to investigate peptides' behaviour and the manner in which they can be utilized to identify a protein by means of electrospray ionization on an electrospray QTOF mass spectrometer.
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Fungi and Plants’ Role in Survival of Other Organisms

First, the relationship between plants and fungi shows that plants depend more on fungi than fungi depend on them. Considering that more than 90% of all plant species on earth cannot live without minerals and [...]
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Origin and Evolution of Segmentation

In the article, "Origin and Evolution of Segmentation", the first hypothesis supports the independent segmentation in annelids, arthropods, and chordates. The first hypothesis predicts negligible similarities in the segmentation patterns of arthropods, chordates, and annelids.
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Bioscience. The Allopatric Phase of Speciation

The authors studied disparities in physical attributes and the vocalization of Geospiza difficilis and used the dissimilarities to figure out the course of differentiation in allopatry as the initial phase of speciation.
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Dugesia: Planariam With Its Own Characteristics

About 70 species of Dugesia are already known, and its phylogeny is identified due to its diagnostic characters but not due to its apomorphies which are usually used in the analysis of other types of [...]
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The Characteristics and Importance of Chickpeas

This demonstrates the popularity of chickpea and its application in various areas of the economy. The popularity of chickpea has grown significantly, and this has led to its demand in different parts of the world.
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The Impact of Salts on Grass Growth

Therefore, the length of the grass is expected to be less than that of the control experiment. This experiment would manage to approve that salt influences the growth of grass.
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Recovery Plans in Australia

The key stakeholders in the recovery plan for the GSM include the Department of the Environment, Water, Heritage, and the Arts.
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Nanomaterials for Bone Repair and Regeneration

The tissue should substitute the role of the bone by complementing the automated characteristics of the material to the functions of the original bone and including the ability to transfer mechanical signals, which can control [...]
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The Analysis of the Seed Removal Experiment

Given this, a study carried out with an objective of, first, to determine the impact of seed predation on seed environment, and second, to determine the same on the seed sizes were carried out.
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Cell Energy Metabolism Controls

By definition, photosynthesis is a process whereby light energy is converted to chemical energy in the presence of CO2 and water.
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Recent Advances in Artificial Photosynthesis

Specifically, scientists strive to use the known and change them into "functional, efficient, synthetic systems that will tap the endless supply of energy coming from the sun".[1] Researchers believe that artificial photosynthesis can work on [...]
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