Question

write the characters of viruses​

Answer 1

Answer:

Hi buddy.Here is your answer

The characteristics of viruses are as follows

1)They are enclosed in a protective envelope

2)They are non cellular

3)They have a nucleic acid core containing DNA or RNA

4)They contain a protien coat called the caspid

5)They do not respire, they also donot metabolise and do not grow but they do reproduce

6)They have spikes which help them to attach to the host cell

7)Ribosomes and enzymes are absent which are needed for metabolism.

And all these are the characteristics of viruses. Hope this will help you

Answer 2

Answer:

i. Viruses are acellular, highly infectious, ultramicroscopic micro-organisms.

ii. Their size ranges from 10 nm to 2000 nm.

iii. Viruses do not perform metabolic activities like eating, respiration, growth.

iv. Viruses are obligate parasites. They multiply only within the living host cells.

v. Viruses possess the capacity to transmit the disease from diseased to healthy individuals.

vi. Viruses possess their own genetic material in the form of either DNA or RNA, but never both.

vii. Viruses can be crystallized and can be stored for long period.

viii. Viruses do not show activity outside the body of host.