Biology Essays

Chromatography of Photosynthetic Pigments | Lab Report
Example essay. Last modified: 24th May 2018
Introduction: The aim of this experiment was to separate and isolate the different photosynthetic pigments, found on spinach leaves and to extract them using the paper chromatography method. The aim was also to det...

Rennet Production in Cheese
Example essay. Last modified: 24th May 2018
Introduction: TOPIC – Rennet Production NAMRATA KAMBLE INTRODUCTION Rennet is a mixture of proteolytic enzymes (tissue and gastric enzymes) – rennin (chymosin) and pepsin, obtained from gastric mucou...

Nutritional Needs of Plants
Example essay. Last modified: 24th May 2018
Introduction: INTRODUCTION: Plants can prepare carbohydrates, fats, proteins and vitamins in their body. However they cannot generate the mineral ions. Thus for plants, the constant supply of minerals is very essen...

Effects of Gibberellins on Plant Growth and Development
Example essay. Last modified: 24th May 2018
Introduction: Introduction Gibberellic Acid, also called Gibberellin A3 or GA3 is a naturally occurring hormone found in plants with the chemical formula C19H22O6. It is renowned for promoting cell elongation; this...

Identifying Unknown Bacteria | Essay
Example essay. Last modified: 24th May 2018
Introduction: Introduction The intent of this report is to identify Unknown #12. The conclusion of Unknown #12’s identity was reached after a series of tests and subcultures were conducted using aseptic techn...

Preparation of Potassium Trioxalatoferrate Trihydrate
Example essay. Last modified: 24th May 2018
Introduction: Iron, being a transition metal can be found in different oxidation states, such as 2+ and 3+. Transition metal ions react with neutral or charged ligands, such as Br- or NH3, respectively, to form com...

Effects of Concentration and Temperature on Equilibrium: Lab
Example essay. Last modified: 24th May 2018
Introduction: The purpose of this experiment was to study the effects of concentration and temperature changes on the position of equilibrium in a chemical system and to observe the common-ion effect on a dynamic e...

Microwave Bridge to Measure Absorption
Example essay. Last modified: 24th May 2018
Introduction: More accurate methods of measuring microwave attenuation and phase are constantly being sought, particularly for such applications as plasma diagnostics. The microwave bridge technique described here ...

In Vitro Fertilization (IVF) Types and Effects
Example essay. Last modified: 23rd May 2018
Introduction: Statistics shows that one out of six couples experienced the problem corresponding with infertility (Olmedo, Chilik and Kopelman, 173). Infertility can be considered a disease affecting more than 80 m...

DNA Lab Report | Example
Example essay. Last modified: 23rd May 2018
Introduction: ABSTRACT: At the Dolan DNA Lab Center, an experiment was conducted to investigate Alu gene insertion on two alleles at the PV-92 Locus on Chromosome 16. Twenty two students participated in the researc...

Daniell Cell: Construction and Working
Example essay. Last modified: 23rd May 2018
Introduction: JOHN FREDRRIC DANIELL, a British chemist & meteorologist, was the inventor of the daniell cell. He invented it in 1836. He wanted to eliminate the hydrogen bubble problem which is found in the vo...

Acid-alkaline Extraction Experiment
Example essay. Last modified: 23rd May 2018
Introduction: Phenolic compounds undergo similar salt formation with sodium hydroxide solution. Hence, a sodium hydroxide solution can be used to extract a carboxylic acid or phenolic compound from its solution in ...

Effect of Fertilizers on the Environment
Example essay. Last modified: 23rd May 2018
Introduction: Since the rising problem in our environment involves water contamination and unhealthy water, which mainly occurs due to the washing away of fertilizers. However there are two different types of ferti...

Organelles of Eukaryotic Cells
Example essay. Last modified: 23rd May 2018
Introduction: According to Dr. Charles Mallory, a biology professor at The University of Miami, the principles of cell theory include: 1. All organisms are made up of cells. 2. Cells are the basic units that form t...

UV Spectrophotometric Method: Captopril and Lisinopril
Example essay. Last modified: 23rd May 2018
Introduction: 100 mg of Captopril was weighed accurately and transferred in to 100 ml volumetric flask. Drug dissolved in small quantity of 0.9% NaCl and sufficient quantity of NaCl solution to added to produce 100...

Effect of Ph Level and Hydrogen Peroxide on Catalase
Example essay. Last modified: 23rd May 2018
Introduction: The investigation was carried out to determine how different ph levels and hydrogen concentrations, affect the activity of catalase in potato during the decomposition of hydrogen peroxide to produce w...

Extracting DNA from Fruit in Various Stages of Ripeness
Example essay. Last modified: 23rd May 2018
Introduction: INTRODUCTION This life science based experiment will test strawberries in their various stages of ripeness, in order to see which stage will yield the most extractable DNA. An extraction kit will be d...

Alzheimer's Disease Stages and Symptoms
Example essay. Last modified: 23rd May 2018
Introduction: ABSTRACT Alzheimer’s Disease is a neurological disease majorly characterized by “decline in the brain function” and “memory loss”. The disease involves mainly three stage...

Sordaria Fimicola Crossing Over Lab
Example essay. Last modified: 23rd May 2018
Introduction: ABSTRACT: The objective of this lab was to study and test the sordaria fimicola fungus crossover by determining what color it will yield during meiosis; a cross over that will be between the wild type...

Malignant Hyperthermia Treatment Case Study
Example essay. Last modified: 23rd May 2018
Introduction: In this scenario, there is a 35 year old female patient who develops malignant hyperthermia during surgery. Malignant hyperthermia is an uncommon pharmacogeneric disorder that leads to the hypermetabo...

Sulfonamides Partition Coefficient Analysis
Example essay. Last modified: 23rd May 2018
Introduction: In the science of rational drug design, log P value of a compound is important to determine its extent of capability to pass through cell membrane. In determining log P of sulfonamides, Thin-layer Chr...

Soap: History and Production Processes
Example essay. Last modified: 23rd May 2018
Introduction: Soap is integral to our society today, and we find it hard to imagine a time when people were kept sweet-smelling by the action of perfume rather than soap. However, the current widespread use of soap...

Drug Interaction Between Phenytoin and Statins
Example essay. Last modified: 23rd May 2018
Introduction: STUDY SELECTION AND DATA EXTRACTION: All sources evaluated were published in English and included original case reports, letters, and medical record or database reviews that described an interaction b...

Digestive System of a Pig
Example essay. Last modified: 23rd May 2018
Introduction: Learning objectives: After you have studied this chapter, you should: Get a fundamental understanding of the porcine digestive tract Describe the essential digestive processes Understand the role of ...

Fungi: Sexual Reproduction Steps
Example essay. Last modified: 23rd May 2018
Introduction: Do you wonder why mold appears on a piece of bread after it was stored for a long time? The reason for this is fungi. Fungi are multi-cellular organisms, which have species up to 1.5 million species a...