Here is a term paper on the ‘Viruses’. Find paragraphs, long and short term papers on the ‘Viruses’ especially written for school and college students. Term Paper on Viruses Term Paper Contents: Term Paper on the Definition of Virus Term Paper on the Structure of the Viruses Term Paper on the Replication of Virus Term Paper on Taxonomy Viruses Term [...]
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Viruses are transferred from infected plants to healthy ones by a number of agencies described below, and this is known as transmission of viruses.
Some of the Most Important Properties of Plant Viruses are as follows:
It is the retrovirus, cause deficiency in immune system, swelling in lymphatic ganglions, loss of weight, impairment of memory and speech are the symptoms. (AIDS).
Lwoff, Home and Touruier (1962) have classified viruses on the basis of their nucleic acids, presence or absence of envelope, symmetry of virus particles, number of protein subunits and diameter of certain viruses.
Viruses are the most primitive cellular and non-cytoplasmic infectious agents. Russian botanist D.J. Iwanowski (1892) first discovered virus in an infected tobacco plant. However, M.W. Beijerink (1898) coined the term virus.