Answers to AQA GCSE Role of Enzymes in Digestion(Biology)

Practice Questions

1.Explain why enzymes are essential for digestion

Enzymes speed up chemical reactions, such as the reactions which are used to break down carbohydrates, lipids and proteins into small soluble molecules which can be absorbed.

2. State the role of carbohydrase enzymes within digestion

Carbohydrase enzyme breaks down carbohydrates into simple sugars.

3. Which enzyme(s) would be used to break down sunflower oil?

Lipase