Question
What does Vextmax mean, and what MCAT clue matters?
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Answer
Maximum rate at saturating substrate; depends on enzyme amount and catalytic turnover.
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Question
What does Km mean, and what MCAT clue matters?
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Answer
[S] when v=Vextmax/2; lower Km often means higher apparent affinity.
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Question
If one enzyme has a hyperbolic v vs. [S] curve and another has a sigmoidal curve, which is more likely allosteric?
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Answer
The sigmoidal enzyme; sigmoidal kinetics suggest cooperativity.
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Question
What does kcat mean, and what MCAT clue matters?
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Answer
Turnover number; product formed per enzyme per time at saturation.
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