Viruses Flashcards
1
Q
What are viruses?
A
Acellular infectious particles
2
Q
Are viruses bigger or smaller than prokaryotic cells?
A
Smaller
3
Q
What do viruses have structurally?
A
Genetic material
Capsid
Lipid envelope
4
Q
What is step 1 of virus replication?
A
Virus detects host cell by recognising protein marker on its membrane. Virus attaches to cell using attachment proteins.
5
Q
What is step 2 of virus replication?
A
Virus injects genetic material into the cell
6
Q
What is step 3 of virus replication?
A
Cell reproduces the genetic material and reads it creating new viral proteins
7
Q
What is step 4 of virus replication?
A
Virus leaves the cell using some of the cells own membrane to form itself
