A-LevelBiologyEnzymes9700/12 · May/June 2020 · Q141 Mark
Two enzymes are added to a solution containing a low concentration of a substrate that they can both use. Which statement is correct?
ABoth enzymes will use equal amounts of the substrate.
BNeither enzyme will be able to use the substrate.
CThe enzyme with the lower Vmax will use less of the substrate than the other enzyme.
DThe enzyme with the lower Vmax will use more of the substrate than the other enzyme.
✓ Correct answer
D: The enzyme with the lower Vmax will use more of the substrate than the other enzyme.
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