Question

which best describes a provirus? (1 point) a provirus is viral dna incorporated into the host cell’s dna. a provirus is bacterial dna incorporated into viral dna. a provirus is the host cell’s dna that has been destroyed. a provirus is newly replicated viral dna after injection.

Explanation:

A provirus is formed when viral DNA integrates into the host cell's genome. This is a key concept in virology. Option B is incorrect as it wrongly states bacterial DNA into viral DNA. Option C is wrong as it's not about destroyed host DNA. Option D is incorrect as it's not just newly replicated viral DNA after injection but integrated into host DNA.

Answer:

A. A provirus is viral DNA incorporated into the host cell’s DNA.