What does a virus need in order to replicate?

a a cell membrane

b a disease

c a host

d a protein

C

Explanation:

before a virus can reproduce, it must find a host cell, and viruses accomplish this in a variety of ways. Some viruses are airborne, such as the cold and flu viruses, and will infect a host and its cells through the mouth or nose.

but there is no

i guess you forgot putting it.

a- all cells come from pre-existing cells