Biology Essay Examples Page 3

A virus is an ultramicroscopic infective being that, holding no independent metabolic activity, can retroflex merely within a cell of another host being. A virus consists of a nucleus of nucleic acid, either RNA or DNA, surrounded by a coating of antigenic protein and sometimes a lipid bed surrounds it every bit good. The virus…

Nucleophilic aromatic permutation occurs when an negatron rich nucleophile onslaughts an negatron deficient species on an aromatic ring. The substituent on the aromatic ring is replaced with another substituent given that the former is a good departure group. And a good departure group would be a substituent which can suit more negative charge or is…

It involved planting a measuring tape from the high tide mark and pulling it mm towards the sea. The same measuring tape used for the transect was used for the beach profiling. C. Measuring poles were laid out at every mm interval and an inclinometer was used to measure the angle of depression or elevation….

The Lassa virus is a vulgar virus with a high mortality rate and an expensive cure. Lassa was strange to me because I have never heard of the virus before. As I was reading in my research, I began to realize the risk the virus has on people. Lassa was first discovered, in humans, in…

Amylase is a Ca dependant enzyme which hydrolyzes complex saccharides at alpha 1,4-linkages to organize malt sugar and glucose. Amylase is an enzyme found in the germinating seeds. Imbibition procedure causes the release of growing works endocrine gibberelin which stimulates the synthesis of amylase. The activity of the amylase enzyme is affected by many factors…

How does the term allele differ from the term gene? 9. Suppose you are a genetically informed farmer with a few spotted cows. More than anything else, you want your herd to be purebred with respect to the spotted trait. Rumor has it that the allele for spotted fur is recessive. Do you hope the…

Many people believed that the bone is static and inert, but this idea is incorrect, the organic andmineral components of the bone matrix are continually being recycled and renewed through aprocess called remodeling. This process goes under way throughout life, as part of normal bonemaintenance. Bone remodeling plays a key factor between the activities of…

Antibiotic Resistance Ever since the advent of penicillin by Alexander Fleming, antibiotics have played a pivotal role in combating against the various bacterial infections which affect the human race (Lewis, 1995). Most of the World War 2 veterans owe their lives to the timely use of antibiotics. These antibiotics have revamped the way medicine is…

Coffee ( Coffea arabica ) dried seeds are extensively processed before they make one of the most of import drinks in the western universe. Presently the harvest is cultivated in many parts of the universe and contributes significantly to those states ‘ economic systems. The harvest has originated in Ethiopia harmonizing to historical, lingual, botanical…

INTRODUCTION Background of the Study Kamias (Averrhoa bilimbi) is a small tree growing 5 to 12 meters high. Leaves are pinnate, 20-60 cm long, with hairy rachis and leaflets. Leaflets are opposite, 10 to 17 pairs, oblong, 5 to 10 cm in length. Flowers, about 1. 5 cm long, and slightly fragrant. Fruit, green and…