Multiple choice

In response to viral infection, the body is induced to synthesize a protein with antiviral activity. This protein is known as

  1. antibody

  2. antigen

  3. antiviron

  4. interferon

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

Interferons are a group of signaling proteins made and released by host cells in response to the presence of several viruses, helping to inhibit viral replication.