Viruses Flashcards
1
Q
How many nucleic acids in a virus?
A
Just one!! It’s surrounded by a protein coat
2
Q
Contain DNA or RNA?
A
Can contain either, but one virus does not contain both!
3
Q
What is a bacteriophage?
A
A virus that infects bacteria
4
Q
What two cycles make up bacteriophage replication?
A
Lytic and lysogenic cycle
5
Q
Lytic cycle
A
Replication and cell destruction
6
Q
Lysogenic cycle
A
Replicates genetic material and lies dormant until stress causes lytic cycle to restart
7
Q
Transmission of Hepatitis A virus
A
S/S positive RNA genome read by host cell as if it were mRNA to make RNA replicase which can then make more strands for new viruses
8
Q
Influenza virus replication
A
RNA replicase is supplied by the virus