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Biology Essays

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Example Biology Essays (Page 3)

Salmonella in Shawarma : Causes, Effects and Solutions
Example essay. Last modified: 5th Aug 2021
Introduction: In Saudi Arabia, as result of the increase of temperature, the environment there is suitable to grow microbes in food and that lead to spoil food, thus occurrence food poisoning. In this research, salmonella food poisoning is discussed and the sources of these bacteria in Saudi Arabia are determined....

Advantages and Disadvantages of Genetically Modified Organisms
Example essay. Last modified: 5th Aug 2021
Introduction: The benefits and risks of any particular genetically modified crop depend on the interactions of its ecological functions and natural history with the agro-ecosystem and ecosystems within which it is embedded. ...

Testing for Starch, Sugar and Protein in Foods
Example essay. Last modified: 5th Aug 2021
Introduction: The colour of the reactions on identifying common substance was largely as predicted by theory. The experiments mentioned above show clearly that after adding the iodine solution into solution A, the yellow-brown colour changed in a blue-black colour, which indicated the presence of starch due to I3- complexes....

The Human Microbiome Project
Example essay. Last modified: 5th Aug 2021
Introduction: Microorganisms are important for animal and plant life, their presence in the surroundings is essential for survival of all life forms. This importance can be proved by the large number of prokaryotes in human body, mainly bacteria, it was found that there are ten time more bacteria than human cells....

What Is Petroleum Engineering
Example essay. Last modified: 4th Aug 2021
Introduction: Petroleum engineering is an engineering discipline concerned with the activities related to the production of hydrocarbons which can be either crude oil or natural gas and there is subsurface activities that presume to fall within the upstream sector of oil and gas industry which are activities of finding and producing hydrocarbons explored by earth scientists...

Analysis of Phylogenetics: the study of evolutionary relationships between species
Example essay. Last modified: 4th Aug 2021
Introduction: Phylogenetics is the study of evolutionary relationships and the history between species. Phylogenetic trees can be used to illustrate phylogenetics. It is important in showing the gradual changes that have occurred between organisms which has caused one species to develop into the next....

When Different Kinds Of Organisms Interact
Example essay. Last modified: 2nd Aug 2021
Introduction: Microorganisms, as the name suggests, are extremely minute organisms which are impossible to be observed by the naked eyes. Due to their size, they are mostly interpreted as being single-celled organisms and include different types of organisms in their classification bacteria, viruses, fungi, archaea and protists. ...

Methods for Extracting DNA from the cells of Green Split Peas and Chicken Livers
Example essay. Last modified: 2nd Aug 2021
Introduction: In this experiment, I extracted DNA from the cells of Green Split Peas and Chicken Livers. I used different variables for each. First, I did the experiment with all materials being cold. The second time I did the experiment with materials at room temperature. My objective was to see which method would extract more DNA. ...

Acute Inflammation and Appendicitis In Young Adult
Example essay. Last modified: 2nd Aug 2021
Introduction: The cause of appendicitis usually occurs as a result of the blockage of the opening of the appendix into the cecum. The blockage of the opening can lead to build up of mucus that may cause a variety of problems within the appendix such as swelling of the lymphatic tissue, thrombosis of vessels and increased internal pressure of the walls of the appendix...

Starch Hydrolysis of Amylase
Example essay. Last modified: 28th Jul 2021
Introduction: The purpose of experiment is to observe amylase enzyme in different environment and detect of each environment by helping colour changes....

Polyesters: Characteristics and Applications
Example essay. Last modified: 27th Jul 2021
Introduction: Carother’s incomplete research had not advanced to investigating the polyester formed from mixing ethylene glycol and terephthalic acid. It was British scientists – Whinfield and Dickson who patented PET or PETE in 1941. ...

Effect of Temperature on Beetroot Membrane
Example essay. Last modified: 26th Jul 2021
Introduction: The aim of this experiment is to look at how temperature has an effect on the movement of pigments through a beetroot membrane, this will involve investigating how the membranes in the beetroot will split and leak the red pigment, anthocyanin....

Article Review: Metformin and Cancer
Example essay. Last modified: 26th Jul 2021
Introduction: This essay aims to identify and explain the main points made in the Review article ‘Metformin and cancer…’ and discuss their implications and overall significance in a pharmacological context....

Effect of Light Colour on the Rate of Photosynthesis
Example essay. Last modified: 26th Jul 2021
Introduction: ​​​​​​​To what extent does the colour of light have on the rate of photosynthesis on Cabomba Aquatica plants? Photosynthesis is a process that occurs in all plants including bacteria and algae....

Lab Report on the Synthesis and Recrystallization of Aspirin
Example essay. Last modified: 26th Jul 2021
Introduction: The objective of this experiment is to enable us to conduct the synthesis of aspirin, reinforce the skills of recrystallisation and reinforce the technique of melting point determination....

How does the structure of sugar affect the rate of fermentation?
Example essay. Last modified: 21st Jul 2021
Introduction: To investigate the different fermentation rates of different sugars by measuring the CO2 release. How does the structure of sugar affect the rate of fermentation?...

Similarities between Photosynthesis and Aerobic Respiration
Example essay. Last modified: 21st Jul 2021
Introduction: Photosynthesis and aerobic respiration are both part of a cyclic process of biochemical reactions. Photosynthesis requires the products of aerobic respiration (carbon dioxide and water), while aerobic respiration requires the products of photosynthesis (glucose and oxygen)....

Role of Epigenetic as a Force in Evolution
Example essay. Last modified: 3rd Nov 2020
Introduction: In this essay, the role of epigenetics as a force in evolution will be discussed. It will start with the interaction between environmental stressors and how individuals react to these through epigenetics, followed by comparing it to natural selection and genetic variation....

Fossil Record Evidence for Evolution
Example essay. Last modified: 1st Jun 2020
Introduction: Introduction In general, the term ‘evolution’ can imply a drastic or gradual change from a very broad perspective. Life on earth, the universe,galaxies, as also the earth in general have e...

Example Biology Essay - 2:1 Level
Example essay. Last modified: 1st Jun 2020
Introduction: NHS Cervical Screening Programme: Liquid Based Cytology vs. Conventional Cytology Introduction Cervical screening, such as the regular programme provided by the NHS, is a very successful way of detect...

Structure and Functions of Microtubules
Example essay. Last modified: 1st Jun 2020
Introduction: Describe the Structure and Functions of Microtubules – Why Can Drugs That Interfere With Microtubule Assembly Be Used as Cancer Therapy? Introduction Microtubules form as a highly organised netw...

Medical Uses of Ayahuasca
Example essay. Last modified: 18th May 2020
Introduction: Many plants, from many different families, have been shown to contain valuable chemical properties that humans have utilized medicinally for centuries. Traditional medicine systems relied on thes...

Lysosomes: Structure and Functions
Example essay. Last modified: 18th May 2020
Introduction: Lysosomes are organelle found in the cytoplasm of eukaryotic cells and are often referred to as the “stomach of the cell.” Lysosomes were discovered in 1949 by a Belgian cytologist, Christian...

The Effectiveness of L-Ascorbic acid and Retinol in the treatment of skin
Example essay. Last modified: 18th May 2020
Introduction: Abstract This report shows a trail of Retinol and L-Ascorbic Acid on the skin of 63 participants. It gives a comprehensive description of how the two chemical would to participants. The ...

The Importance Of ATP And Enzymes
Example essay. Last modified: 18th May 2020
Introduction: The Importance of ATP and Enzymes Our cells are perpetually using ATP (adenosine triphosphate). It is lucky for us that ATP is a renewable resource. With the inclusion of a phosphate gro...

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