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O-LevelBiologyEnzymes5090/11 · Oct/Nov 2019 · Q41 Mark

Which statement about enzymes is correct?

AEnzymes are made of lipid molecules and change the rate of a reaction.
BEnzymes are permanently denatured by high and low temperatures.
CEnzymes can only operate within a living organism.
DEnzymes have individual shapes that lock onto specific molecules.

✓ Correct answer

D: Enzymes have individual shapes that lock onto specific molecules.

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About this question

Topic
Enzymes, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source
O-Level Biology, Oct/Nov 2019 Paper 1 Variant 1, question 4.

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