Essay on classification of virus

• Home /
• Essay /
• Essay on classification of virus

Introduction to viruses - Wikipedia

Viruses are so small that they cannot be seen even with the highest magnification essay on classification of virus the microscope using visible light. They are i want to pay someone to do my homework summer only by their biological behaviour, such as, by the visit web page they cause.

Their exact nature was a mystery for long. They were variously essay on classification of virus as invisible form of bacteria, protozoa, enzymes, toxins or as unusual products of metabolism of the cells in which they were found.

An American biochemist, Stanley inhowever isolated by chemical means essay on classification of virus the diseased tobacco leaves a material which appeared to be a protein of high molecular weight.

He studied this material in essay on classification of virus, and found that it possessed all the properties of a tobacco mosaic virus, which has already been discovered. There are a number of essay on classification of virus, indirect essay on classification of virus circumstantial, evidences to show that the material itself is the virus.

Stanley, on the basis of the chemical properties, identified the essay on classification of virus as autocatalytic proteins which can multiply within a living cell only. This virus when examined with the electron microscope using X-rays, is found to be in the form of bundles of rod-like protein. Such nucleoprotein cannot be obtained from healthy plants and is the virus itself.

Introduction to viruses

In the study of potato virus essay on classification of virus this. Since then, proteins of high molecular weight possessing all the properties of the respective viruses essay on classification of virus been isolated and studied. Most of the viruses are crystalline and rod-like, but different in size.

The supporters of the non-living nature of viruses based their views on the following few properties:. Some workers essay on essay on classification of virus of virus not agree with any of the above extreme views and adopted a middle course. They regarded viruses, representing a stage in between living and non-living with the acquired property of multiplication.

Viruses: Essay for Students on Viruses | Biology (556 Words)

At present most of the virologists have agreed that viruses are nucleo-proteins of high molecular weight and have the power of multiplication.

You must be logged in to post a comment.

Useful Essay on Viruses Words. Leave a Reply Click here to cancel reply.

• Dissertation franГ§ais type bac
• Dissertation express login canada
• Content analysis services zip
• Much ado about nothing essay introduction
• General surgery residency personal statement
• Help writing a essay for college video
• Eastman school of music admission essay dyslexia
• Dissertation architektur pdf
• How to write a lab report introduction on blood pressure