Multiple choice

Vaccines are

  1. the same as monoclonal antibodies

  2. treated bacteria or viruses, or one of their proteins

  3. short-lived

  4. MHC proteins
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Vaccines function by introducing a harmless form of a pathogen (or its proteins) to the immune system, allowing it to develop memory and immunity without causing the disease.

Keep practicing — related questions