Digestion

Digestion Quiz

Spec 3.3.3 · AQA A-Level Biology: Quiz

Studying this course? Keep your progress in one place.

Pick an answer for each. Quizzes never use energy.

5 questions, one answer each

Each answer is checked as you go, with why.

See all 5 questions

  1. 1. What are the products of the hydrolysis of triglycerides by lipase?

    • A. Glucose and fatty acids
    • B. Monoglycerides and fatty acids
    • C. Amino acids and glycerol
    • D. Maltose and glycerol

  2. 2. Which enzyme hydrolyses peptide bonds at the ends of a polypeptide?

    • A. Endopeptidase
    • B. Amylase
    • C. Lipase
    • D. Exopeptidase

  3. 3. What is the role of bile salts?

    • A. Hydrolyse triglycerides
    • B. Emulsify lipids to increase surface area
    • C. Neutralise pepsin
    • D. Hydrolyse starch

  4. 4. Where are disaccharidases found?

    • A. In saliva
    • B. In bile
    • C. On the cell surface membrane of intestinal epithelial cells
    • D. In the stomach lumen

  5. 5. A polypeptide is cut by an endopeptidase at 3 places. How many polypeptide ends are there afterwards?

    • A. 8
    • B. 4
    • C. 6
    • D. 2

Quiz