Biology for IGCSE & O level - Biotechnology And Genetic Modification (Section 2 - No. 31)
In the context of making lactose-free milk, what does the enzyme lactase do?
It breaks down lactose.
It adds lactose.
It adds sugar to the milk.
It causes the milk to curdle.
Explanation
Lactase is an enzyme which breaks down lactose, a sugar found in milk.
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