Biology 0610 · IGCSE · Biological molecules

Biological molecules — practice question

In the diagram, part of a protein molecule is shown. What does X stand for?

  • Aamino acid
  • Bfatty acid
  • Cglycerol
  • Dsugar

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