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O-LevelBiologyEnzymes5090/12 · Oct/Nov 2018 · Q41 Mark

What are enzymes?

Afats that are secreted by glands in the digestive system

Bfats that have a characteristic molecular shape

Cproteins that act as biological catalysts

Dproteins that are unaffected by temperature

✓ Correct answer

C: proteins that act as biological catalysts

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About this question

Topic: Enzymes, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, Oct/Nov 2018 Paper 1 Variant 2, question 4.

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