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An enzyme requires Mg2+ ions for its activity. Without these ions, the enzyme shows no catalytic activity. In this case, Mg2+ is acting as a:
Coenzyme
Substrate
Apoenzyme
Cofactor
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The induced fit model emphasizes that the enzyme’s active site is not a rigid template but rather:
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The rate of an enzyme-catalyzed reaction is generally limited by the concentration of enzyme when:
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