Biology 9700 · AS & A Level · Proteins

Proteins — practice question

Which row correctly identifies the structural characteristics of a collagen molecule and a haemoglobin molecule?

  • AMolecule consists of more than one polypeptide: collagen and haemoglobin; globular protein: collagen and haemoglobin
  • BMolecule consists of more than one polypeptide: collagen and haemoglobin; globular protein: haemoglobin only
  • CMolecule consists of more than one polypeptide: haemoglobin only; globular protein: collagen and haemoglobin
  • DMolecule consists of more than one polypeptide: haemoglobin only; globular protein: haemoglobin only

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