Viruses Flashcards
1
Q
What are the properties of viruses?
A
Acellular
Non-living
2
Q
Describe the structure of a virus
A
Retro virus has RNA at centre, others have DNA
Genetic material enveloped by capsid
Reverse transcriptase enclosed in capsid too
Matrix round outside
Then lipid envelope
Attachment protein on outside
3
Q
What does the capsid do?
A
Encloses nucleic acid -DNA or RNA
4
Q
What do attachment proteins do?
A
Can identify and attach to host cell
