Week 3 & 4

Question 1

Hep B

Answer 1

Immune response causes liver damage

Question 2

Retrovirus

Answer 2

Icosahedral
Enveloped
diploid linear genome +ve ssRNA
Replicated in nucleus
Virus assembled in cytoplasm

Question 3

LTR structure

Answer 3

U3 = enhancer sequence

5’ end: Polyadenylation signal

Question 4

-ssRNA

Answer 4

All enveloped and helical

Must carry an RdRp in their capsid