Viruses

Question 1

Virus Structure

Answer 1

DNA/RNA surrounded by protein coat, aren’t cells and have no membrane.

Question 2

The virus’ protein coat is

Answer 2

composed of protein subunits which have a patterned effect

Question 3

virus envelopes

Answer 3

only some have them, lipid bilayer, and contain viral spike

Question 4

Virus protein spike

Answer 4

instructions are in nucleic acid

Question 5

virus protein spikes help by

Answer 5

attaching to host cells

Question 6

Viruses multiply by

Answer 6

using host cell enzymes and DNA to help produce viral components

Question 7

Lysis is

Answer 7

to split

Question 8

4 types of viral infection

Answer 8

Acute lytic
sub-clinical
latent
chronic

Question 9

Acute Viral infection

Answer 9

develops rapidly and is over relatively quick

Question 10

Sub-clinical Viral infection

Answer 10

usually doesn’t show any signs/symptoms may just feel ‘under the weather’

Question 11

Latent Viral infection

Answer 11

A virus hides in a nerve cell and recurs when stress occurs or the immune system is low

Question 12

Chronic Viral infection

Answer 12

The virus develops slowly and at a constant rate and stays in the host e.g Hep B or HIV