Multiple Choice
In a reaction where substrate is present in excess, what effect would the addition of an enzyme have on the amount of product formed in 3 seconds?
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6. Enzymes and Enzyme Kinetics
Enzymes
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
In a biochemical reaction, what effect would the presence of an enzyme have on the time required to produce 1 mg of product?
A
It would increase the time needed to produce 1 mg of product.
B
It would stop the reaction from occurring.
C
It would decrease the time needed to produce 1 mg of product.
D
It would have no effect on the time needed to produce 1 mg of product.
Verified step by step guidance1
Understand the role of enzymes in biochemical reactions: Enzymes are biological catalysts that speed up chemical reactions by lowering the activation energy required for the reaction to proceed.
Analyze the relationship between activation energy and reaction rate: Lowering the activation energy allows reactants to convert into products more quickly, thereby increasing the reaction rate.
Consider the impact of increased reaction rate: If the reaction rate is increased, the time required to produce a specific amount of product, such as 1 mg, will decrease.
Evaluate the options provided in the problem: The correct answer aligns with the principle that enzymes decrease the time needed to produce a given amount of product by accelerating the reaction.
Conclude that enzymes do not stop reactions, increase the time, or have no effect; their primary function is to decrease the time required for product formation by enhancing the reaction rate.
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