Biology Essays

With the development of the light microscope many scientists were able to view microscopic objects such as cells. The first to accomplish this was Robert Hooke when he used a light microscope to observe a thin slice of cork. Hooke observed that the cork was made of tiny structures of …

The purpose of the experiment was to experience firsthand the isolation of DNA form a plant tissue without destroying its structure and sequence. A white onion was used for the experiment. After several processes, DNA isolate was the visible result. Different chemical tests were performed on the DNA isolate, namely: …

Abstract:Jefferson and Jackson both had prominent presidencies when in office. They both made their mistakes, but both made their essential marks on our nation. Through their contrasting views of political, social, and economic matters, they brought upon different aspects to the presidencies, but they were equally beneficial. Jefferson and Jackson …

Introduction The cells of beetroot contain a pigment called betalain in their vacuoles. It is kept inside the cells by the membranes. If these membranes are damaged, then the betalain leaks out. The amount that leaks out can be assessed, as the leaked out pigment will color the water surrounding …

This experiment investigated the amount of DNA extracted from strawberries. This was done by using the independent variable of alcohol to affect the dependant variable of the amount of DNA extracted. This was done to find out if primary or secondary alcohol would create more DNA precipitate than the other. …

The purpose of this lab was to determine if various substances contained macromolecules, specifically; carbohydrates, proteins, or vitamin C. The tests used were the Biuret test, the xanthoproteic test, the Benedict’s test, the starch test, and the indophenol test. Many of the substances were positive for that which they were …

ABSTRACT Aim: Laboratory experiments were carried out at Trinity Anglican School, Australia in 2010 to study the effect of various organic and inorganic fertilisers on the growth of tomato plants in the northern tropical region of Queensland, Australia during the winter season of 2010. Five pots with tomato seedlings were …

Dualism is the belief that reality consists of two different, separate substances: that of the mental and that of the physical. “In philosophy of mind, the belief that the mental and physical are deeply different in kind: thus the mental is at least not identical with the physical.” It directly …

On the hot topic of human embryonic stem cell research and its moral/ethical ground, which side is right? Each side has great and truth bearing arguments. Each party is convinced that their choice is the correct one. Untimely to conclude with the most valid option, you must totally research and …

The advancement in technology has lead to the treatment of many diseases. Stem cell research has provided hope and has brought optimism among the scientists and doctors in curing the patients who suffered or died due to the once called “untreatable” diseases decades ago. Stem cells are the ones which …