Question 40
Question 40 of 40
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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
21. Biotechnology and gen...
21.2. Biotechnology

Explain the use of lactase to produce lactose-free milk

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