Viral Genome Flashcards
1
Q
What are the 3 characteristics of viruses?
A
- Nucleic acid (genome)
- Capsid
- Viral envelope (enveloped viruses)
2
Q
Structure & function of capsid
A
Protein coat, made from capsomeres (protein subunits)
Nucleic acid + capsid -> nucleocapsid
FUNCTIONS:
1. Encloses & protects genome from enzymes
2. Aids attachment & penetration of host cell
3. Carries viral enzymes
3
Q
Structure & function of viral envelope (HIV & Influenza)
A
Phospholipid bilayer (from host) includes