Biology Essays

Structure of the Male Reproductive System
Example essay. Last modified: 12th Mar 2018
Introduction: New chapter 35 The Male Reproductive System INTRODUCTION The male reproductive system has three principal functions: The differentiation and maintenance of the primary and secondary sex characterist...

The Microstructure of a Cell
Example essay. Last modified: 25th Jan 2018
Introduction: The microstructure of a cell is made up of a complex system of organelles. Each organelle has an important function with regards to the production and transport of information into the cystic fibrosi...

Retroviral Mediated Gene Transfer
Example essay. Last modified: 23rd Jan 2018
Introduction: Retroviral methodology is an effectual method to integrate interested genes into animal genomes (Van et al., 1985). It is considered as a naturally occurring gene transfering system to integrate DNA ...

ECOSISTEMAS DE AGUAS CONTINENTALES
Example essay. Last modified: 4th Dec 2017
Introduction: ECOSISTEMAS DE AGUAS CONTINENTALES Los ecosistemas de aguas continentales son los que se encuentran en los continentes y han perdido toda su salinidad por evaporación (ya que, al pasar a estado...

Principle of Homoeostasis - An Overview
Example essay. Last modified: 4th Dec 2017
Introduction: The aim of this essay below is to explain homeostasis, the principles involves, the negative feedback, the control of the blood glucose level, the mechanism of temperature regulation and the structure...

How is Homeostasis Maintained?
Example essay. Last modified: 21st Sep 2017
Introduction: We all know that homeostasis maintenance is critical to the survival of the human body. The human body can survive major conditions from freezing cold to excessively hot as long as the body can maint...

Fungi Lab Report | Free Essay
Example essay. Last modified: 6th Jun 2017
Introduction: Each pair was given two of the eight possible species. Firstly, the garlic extract was prepared. This was done by grinding 10g of garlic in a sterilised mortar and pestle with 15ml of deionised water....

Human Carbonic Anhydrase II
Example essay. Last modified: 25th May 2017
Introduction: Human carbonic anhydrase II is one of the fastest studied enzymes known with a variety of roles in reaction catalysis. Its primary function is to catalyze the reversible hydration reaction of carbon d...

Common Uses Of Nuclear Medicine
Example essay. Last modified: 19th May 2017
Introduction: Nuclear medicine is a medical technique that can be used both in diagnosis and treatment. Nuclear medicine diagnosis techniques include organ imaging, functional analysis and in vitro radioimmunoassay...

Effects Of Enzyme Efficiency | Hydrolysis Of Sucrose
Example essay. Last modified: 19th May 2017
Introduction: In this experiment we hypothesized if a 6ml volume of supernatant invertase is added in varying dilutions to a 2 ml volume of 1% sucrose solution, then the concentration of the end product, of glucose...

Submerged And Solid State Fermentation
Example essay. Last modified: 19th May 2017
Introduction: Higher fungi, also known as Dikarya, are a subkingdom of Fungi that is comprised of the phyla Ascomycota and Basidiomycota. They do not possess flagella and can are either filamentous or unicellular. ...

Compare Stomatal Distribution
Example essay. Last modified: 19th May 2017
Introduction: An investigation to compare stomatal distribution in shady and sunny sides in Bougainvillea Glabr. How does the stomatal density vary in the sunny and shady parts of paper flowers? (Bougainvillea Glab...

Primary fungal pathogens
Example essay. Last modified: 19th May 2017
Introduction: Dissertation Introduction Fungal pathogens can be separated into two distinct groups; true or primary fungal pathogens, and opportunistic pathogens. True or primary pathogens can cause disease in ...

Case Study: Patient With Asthma
Example essay. Last modified: 19th May 2017
Introduction: Patient RR is a 58 years old female with a weight of 55kg. Patient was admitted to hospital on 9th April 2009. Her presenting complaints were cough with sputum, pain when inhaling air at chest, breath...

Pollination in Fruit
Example essay. Last modified: 19th May 2017
Introduction: Pollination is a basic requirement for production of fruit, seeds and thus new plants. Therefore pollination plays an important role in agriculture, horticulture and forestry. The process of pollinati...

Reaction Time And Energy Drinks
Example essay. Last modified: 19th May 2017
Introduction: This extended essay is an investigation into reaction times in males and females and how they were affected by Red Bull. The research question was “How significant is the reduction in reaction t...

Natural and catalyzed decomposition of hydrogen peroxide
Example essay. Last modified: 18th May 2017
Introduction: Enzymes are proteins that catalyze biochemical reactions by lowering activation energy. Enzymes are specific to one reaction due to their structure; they bind with a specific substrate at an active si...

Lytic Lysogenic Switch In Phage Lambda
Example essay. Last modified: 18th May 2017
Introduction: The bacteriophage lambda is a virus that is parasitic in bacteria, attaching by its tail to the surface to the surface of an E.coli cell and injecting its chromosome into the bacterium to multiply. Th...

Human Nerve Conduction Velocity
Example essay. Last modified: 18th May 2017
Introduction: Medsci 206 Laboratory Report 6: Human Nerve Conduction Velocity Aim: To record the EMG and observe the changes in the recording with different levels of voluntary muscle contraction velocities of bot...

Water Quality: Determination Of Alkalinity
Example essay. Last modified: 18th May 2017
Introduction: Alkalinity of water is its acid-neutralizing capacity. It is the sum of all the titratable bases. The measured value may vary significantly with the end-point pH used. Alkalinity is a measure of an ag...

Effect Of Caffeine On Reaction Times
Example essay. Last modified: 18th May 2017
Introduction: This study was devised to compare the reaction time of humans before and after the consumption of caffeine in the form of coffee. A total number of 50 subjects were involved in this project. Their r...

Characteristics Of Hazards In Milk
Example essay. Last modified: 17th May 2017
Introduction: It is clear from several food safety studies that there are three main types of hazards in food microbiological hazards, chemical hazards and physical hazards (De Boer et al. 2005; McCarthy et al. 200...

Analysis Of A Linear Accelerator
Example essay. Last modified: 17th May 2017
Introduction: Nowadays patient with cancer are treated by radiation, surgery, chemotherapy or with a combination of these options. The radiotherapy treatment unit used to deliver radiation to cancerous cells and ti...

Classes Of Radiopaque Contrast Media
Example essay. Last modified: 17th May 2017
Introduction: INTRODUCTION In medical imaging, contrast media have been search because the differences in density among body tissues is too small. Contrast media is used to provide more adequate contrast for good ...

The Fluid Mosaic Model Of Membrane Structure
Example essay. Last modified: 17th May 2017
Introduction: The fluid mosaic model of membrane structure is a cell membrane that behaves like a two- dimensional liquid of mixed composition. The cell membrane is described to be fluid because of its hydrophobic ...