Viruses Flashcards
1
Q
What are viruses surrounded by
A
A protective coat - formed from protein chains called capsomeres. Forms a capsid.
2
Q
What are viruses with another coat around the capsid called?
A
Enveloped Viruses
3
Q
How do viruses reproduce
A
They use host cells metabolic and biosynthetic machinery to reproduce.
4
Q
What is step 1 of virus replication
A
Virus attaches to host cell receptor proteins
5
Q
What is step 2 of virus replication
A
Genetic material is released into the host cell
6
Q
What is step 3 of virus replication
A
Genetic material and proteins are replicated by host cell ‘machinery’
7
Q
What is step 4 of virus replication
A
Viral components assemble
8
Q
What is step 5 of virus replication
A
replicated viruses released from host cell
9
Q
are viruses alive?
A
No
