Self antigens are

  1. molecules on the body's own cells that do not normally trigger a response
  2. only found on bacteria
  3. antibodies
  4. foreign proteins
Answer

A) molecules on the body's own cells that do not normally trigger a response

Self vs non-self recognition. AS & A Level Biology · Topic 11 Immunity · 11.1 The immune system

Biology MCQ · More A Level Biology: Immunity MCQs · Practise