Answer:
A pairs to T. & G pairs to C
Explanation:
Adenine = Thymine
Guanine = Cytosine
I am pretty sure the answer is D countless.
hope this helps
Answer:
Viral replication involves six steps: attachment, penetration, uncoating, replication, assembly, and release. During attachment and penetration, the virus attaches itself to a host cell and injects its genetic material into it.