Biology 9700 · AS & A Level · Proteins

Proteins — practice question

An enzyme hydrolyses the two heavy polypeptide chains in an antibody molecule. This hydrolysis takes place at the hinge region and splits the antibody into three fragments. How many of these fragments can bind to antigens?

  • A0
  • B1
  • C2
  • D3

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI