Why do lipids release more energy per gram than carbohydrates?

  1. They have more C–H bonds
  2. They are polar
  3. They are polymers of glucose
  4. They contain more oxygen
Answer

A) They have more C–H bonds

More hydrogen to be oxidised. AS & A Level Biology · Topic 2 Biological Molecules · 2.2 Carbohydrates and lipids

Biology MCQ · More A Level Biology: Biological molecules MCQs · Practise