Enzymes are globular proteins because they

  1. are insoluble fibres
  2. are soluble and have a specific 3D shape
  3. have no tertiary structure
  4. are carbohydrates
Answer

B) are soluble and have a specific 3D shape

The tertiary structure forms the active site. AS & A Level Biology · Topic 3 Enzymes · 3.1 Mode of action of enzymes

Biology MCQ · More A Level Biology: Enzymes MCQs · Practise