Question

woite oshoot notes on coecw ciagaam
wherever necessary
I. General characteristics of viruses
2. Tobacco mosaic virus (TMV)

3.Geneacol characteristics and structure of mycoplasma
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Answer 1

Answer:

1.Charactaristics of virus:

Merits:

Virus consists of nucleic acid surrounded by protein coat.

It has the ability to multiply within living cells.

Demerits:

It has no enzymes.

Energy producing system is absent

2.TMV:

It is a rod shaped helical virus.It was discovered by Dimitry Ivanowsky.Its size is 20 to 300 nm.