O-LevelBiologyEnzymes5090/11 · Oct/Nov 2023 · Q61 Mark
Enzymes are involved in many reactions in living cells. Which statement describes the action of enzymes?
AEnzymes are able to start up reactions that would otherwise not occur.
BEnzymes can only act inside living cells or organisms.
CEnzymes increase the rate of chemical reactions.
DOne enzyme can catalyse a number of different reactions.
✓ Correct answer
C: Enzymes increase the rate of chemical reactions.
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