Virology 1 & 2 Ryan

Question 1

What is a virus?

Answer 1

A virus is an obligate intracellular paracite that replicates by self assembly of individual components rather than binary fission

Question 2

Can a virus make energy or proteins independent from the host cell ?

Answer 2

No

Question 3

Describe the viral genome

Answer 3

It can be double or single stranded stranded DNA or RNA but not both

Question 4

How are viruses categorized ?

Answer 4

By the physical and biochemical composition of the virus particle or Viron

Question 5

What is the viral genome packaged into ?

Answer 5

A Capsid which can be helical, icosahedral/spherical, or complex

Question 6

What is a nucleocapsid?

Answer 6

The viral genome inside the capsid chell.

Question 7

What are the orientations of the viral RNA genomes ?

Answer 7

+ RNA genomes are the same sense as mRNA and can be directly translated to protein. - RNA are anti-sense and ue be first transcribed into sence strand. Some viral RNA can be