2.2 Viruses Flashcards
1
Q
What are viruses made of
A
- Genetic material
2
Q
Viruses cannot reproduce ..
A
Independently
3
Q
Where can viruses only reproduce
A
Within a host cell
4
Q
Describe the function of the capsid
A
- Protein coat which encases the genetic material of a virus
5
Q
What is the function of attachment proteins
A
- Allow the virus to attach to their host cells for reproduction
6
Q
What do the VAPs target
A
Protein receptor in the host cell surface membrane
7
Q
How are animal viruses taken in
A
Via endocytosis
8
Q
What are some differences between bacteria and viruses
A
Bacteria - Living uni cellular cells, they are larger and they reproduce independently via asexual fission
Viruses - Non living, smaller and cannot independently reproduce as they must use viral antigens
9
Q
What is meant by a retro virus
A
- Where