Free Biology Essay Examples & Writing Tips. Page 4

681 samples

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.
  • Pages: 6
  • 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 [...]
  • Pages: 3
  • Words: 572

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 [...]
  • Pages: 3
  • Words: 811

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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  • Words: 568

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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  • Words: 1151

Brine Shrimp Habitat

Not only in the natural water bodies can brine shrimps survive but also in artificial places as long as the water that they are in is salty.
  • Pages: 2
  • Words: 534

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.
  • Pages: 2
  • Words: 591

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 [...]
  • Pages: 2
  • Words: 570

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 [...]
  • Pages: 2
  • Words: 563

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 [...]
  • Pages: 3
  • Words: 1126

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.
  • Pages: 2
  • Words: 508

Lipids: Fatty Acids and Glycerols

The membrane, made up of lipids, facilitates the fluid movement and transportation of the vital elements of the cell. A lack of these vitamins in the body leads to various diseases and conditions.
  • Pages: 3
  • Words: 916

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.
  • Pages: 4
  • Words: 1126

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 [...]
  • Pages: 2
  • Words: 605

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.
  • Pages: 2
  • Words: 586

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 [...]
  • Pages: 2
  • Words: 742

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 [...]
  • Pages: 2
  • Words: 879

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 [...]
  • Pages: 6
  • Words: 1774

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 [...]
  • Pages: 2
  • Words: 564

“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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  • Words: 581

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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  • Words: 873

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.
  • Pages: 5
  • Words: 1404

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 [...]
  • Pages: 4
  • Words: 991

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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  • Words: 562

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.
  • Pages: 13
  • Words: 3665

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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  • Words: 569

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.
  • Pages: 3
  • Words: 827

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 [...]
  • Pages: 13
  • Words: 3613

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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  • Words: 2154

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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  • Words: 671

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 [...]
  • Pages: 5
  • Words: 1392

The Science Behind Bacterial Aging

A bacterium is one of the organisms that undergo asymmetric division of cells hence does not undergo aging. In this bacterium, it is evident that the DNA process stopped because the stalk cell turned out [...]
  • Pages: 2
  • Words: 592

Understanding Emerging Diseases

Some of the diseases are spread when the agents are passed on from animals to humans through a process referred to as zoonosis.
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Will Biologics be the Main Drugs of the Future?

In generally, the uniqueness of biotechnology drugs or biologics as they are commonly referred to has to do with the fact that biologics help to improve the state of a patient's body through a natural [...]
  • Pages: 18
  • Words: 4960

Vibrio Cholerae: Death by Diarrhoea

Although it is widely believed that Vibrio cholerae is a human pathogen, implying that human beings serve as the natural host, it has the capacity to persist and survive in the absence of a human [...]
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  • Words: 705

Bacterial Diseases of Marine Organisms

The striped dolphin is a highly susceptible host of the bacteria and poses and the most potent reservoir and source of transmission of the infectious agent.
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  • Words: 1211

Skin Graft in Tissue Engineering

In this case, tissue engineering seeks to address the problem of organ and tissue failure through the provision of a better and more effective technique such as natural implants, organ mimics that are functional from [...]
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  • Words: 1174

Self-Healing Materials and Their Using

The healing process of this material is almost similar to that of the aforementioned self-healing concrete except for the fact that the polymer uses the Grubbs' catalyst during the healing process while the self-healing concrete [...]
  • Pages: 4
  • Words: 1111

Differentiating the Fungal Phyla

Traditionally, the kingdom Fungi consists of four phyla known as Ascomycota, Basidiomycota, Chytridiomycota, and Zygomycota, though the classification of the fungi has shifted tremendously in recent decades to include Glomeromycota as a new phylum for [...]
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  • Words: 667

Rapid Flow Cytometer Test Importance

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 [...]
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  • Words: 554

Simple Detection of Pseudomonas Cells in 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.
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  • Words: 638

Biosphere: Sydney in Australia

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.
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  • Words: 1508

Root Modifications in Cyperaceae Species

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 [...]
  • Pages: 2
  • Words: 557

Recovery Plan For Manorina Melanotis — Black-Eared Miner

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.
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Physiological Differences Between Males and Females

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 [...]
  • Pages: 2
  • Words: 557

Sex Determination in Amphibians

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.
  • Pages: 3
  • Words: 908

The Histopathology Laboratory: Special Stains

The Masson's trichrome is commonly used to reveal the architecture of tissues and in the preparation of frozen sections. The Masson's trichrome stain was used in the staining of normal uterus and the uterus fibroid.
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  • Words: 2077

Commiphora Molmol and Boswellia Papyrifera Plants

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.
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How Serotonin Affects the Brain and Addictions

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 [...]
  • Pages: 20
  • Words: 5618

Researches of Proctoeces Maculatus

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.
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Identification of Lactose-Fermenting Enterobacteriaceae

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 [...]
  • Pages: 3
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Benthic Macroinvertebrate

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.
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  • Words: 1756

Development of the Chimpanzee Pancreas

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 [...]
  • Pages: 7
  • Words: 1736

Process of Gene Expression

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.
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Evolution Development: Introducing New Species

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.
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Environmental Microbiology Overview

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 [...]
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  • Words: 3298

Flagella Protein Isolation: Scientific Experiment

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.
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The Evolution of Vertebrae Teeth

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 [...]
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  • Words: 1108

Biot- Management Laboratory: Rat GLP

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.
  • Pages: 7
  • Words: 1951