Biology 0610 · IGCSE · Biological molecules

Biological molecules — practice question

Which element is present in proteins but not in carbohydrates?

  • Acarbon
  • Bhydrogen
  • Cnitrogen
  • Doxygen

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