Multiple choice

What happens when a virus replicates?

  1. It produces medicine

  2. It eats bacteria

  3. It uses a photocopy machine

  4. It makes a copy of itself

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Viral replication is the process by which a virus enters a host cell and uses the host's cellular machinery to produce copies of its own genetic material and proteins.