Q21 of 0610_s24_qp_13

Question 21

Question 21 of 40

You can solve this MCQ to see its answer, but your attempt won't be logged unless you login

No letter options?

Older MCQs might not have the typical A, B, C, D choices. They have choices 1, 2, 3, and a combination of them is the answer. Below is the key that maps such combinations to the answer.

A 1, 2 and 3 are correct

B 1 and 2 only are correct

C 2 and 3 only are correct

D 1 only is correct

Topics Tested

7. Human nutrition

7.4. Chemical digestion

Describe the functions of enzymes as follows: (a) amylase breaks down starch to simple reducing sugars (b) proteases break down protein to amino acids (c) lipase breaks down fats and oils to fatty acids and glycerol

4. Biological molecules

4.1. Biological molecules

State that large molecules are made from smaller molecules, limited to: (a) starch, glycogen and cellulose from glucose (b) proteins from amino acids (c) fats and oils from fatty acids and glycerol

5. Enzymes

5.1. Enzymes

Describe enzyme action with reference to the shape of the active site of an enzyme being complementary to its substrate and the formation of products