Viruses Flashcards
1
Q
What is the capsid
A
A protein coat the surrounds viruses
2
Q
What else if a virus made of?
A
Attachment proteins
3
Q
Cell division in bacterium?
A
Binary fission
4
Q
Stages of binary fission
A
1) DNA and plasmids replicate
2) DNA sticks to membrane
3) membrane develops between DNA and divided the cytoplasm
4) Cell wall forms between the DNA
5
Q
How do viruses replicate?
A
They inject nucleus acids into a host cell, which are used to produce parts of the virus. Virus parts assemble and host cell bursts releasing loads more viruses
6
Q
How big are viruses
A
20-300nm
