Biology 9700 · AS & A Level · Proteins

Proteins — practice question

The diagrams illustrate parts of three pairs of amino acids within a protein. These pairs are labelled X, Y and Z. Which row indicates the correct type of interaction that would take place between the two amino acids in each pair?

  • AX: hydrophobic interaction; Y: hydrophobic interaction; Z: hydrogen bond
  • BX: hydrogen bond; Y: hydrophobic interaction; Z: ionic bond
  • CX: hydrogen bond; Y: hydrogen bond; Z: hydrogen bond
  • DX: hydrophobic interaction; Y: hydrogen bond; Z: ionic bond

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