A-LevelBiologyEnzymes9700/12 · Oct/Nov 2012 · Q131 Mark
What is the role of enzymes in metabolism?
Ato catalyse the hydrolysis of large molecules only
Bto increase the number of collisions between molecules
Cto lower the activation energy required to start a reaction
Dto supply the activation energy required to start a reaction
✓ Correct answer
C: to lower the activation energy required to start a reaction
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