Cell Structure & Organisation Flashcards
1
Q
What are the key structural components of a virus?
A
Genetic material (DNA or RNA)
Protein coat (capsid)
Attachment proteins
Some have an envelope from host cell membranes
2
Q
Why are viruses not considered living organisms?
A
No cellular structure
No metabolism
Cannot independently reproduce
No growth or development
No response to stimuli
3
Q
What allows a virus to attach to a host cell?
A
Attachment proteins on the virus bind to receptors on the host cell.
