Biology 9700 · AS & A Level · Proteins

Proteins — practice question

In a typical Y-shaped antibody molecule, how many variable regions are present?

  • A2
  • B3
  • C4
  • D6

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