O-LevelBiologyEnzymes5090/11 · Oct/Nov 2025 · Q61 Mark
Many reactions in cells are dependent on enzyme activity. Which statement about enzymes is not correct?
AThey are protein molecules.
BThey catalyse biological reactions.
CThey remain unchanged at the end of a reaction.
DThey have active sites which are the same shape as their substrate molecules.
✓ Correct answer
D: They have active sites which are the same shape as their substrate molecules.
Practise more questions on this topic
Oracle Prep sorts past-paper questions by topic, so you can drill Enzymes and see which topics are most likely to come up next.
Sign up free →