O-LevelBiologyEnzymes5090/11 · May/June 2018 · Q41 Mark
In an enzyme's action, where is the active site and where are the lock and the key?
Aon the enzyme, on the enzyme, on the substrate
Bon the enzyme, on the substrate, on the enzyme
Con the substrate, on the enzyme, on the substrate
Don the substrate, on the substrate, on the enzyme
✓ Correct answer
A: on the enzyme, on the enzyme, on the substrate
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