Unsaturated fatty acids contain

  1. at least one C=C double bond
  2. peptide bonds
  3. phosphate groups
  4. no double bonds
Answer

A) at least one C=C double bond

Saturated = no double bonds. AS & A Level Biology · Topic 2 Biological Molecules · 2.2 Carbohydrates and lipids

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