BIO NMDCAT Factors that Affect the Rate of Enzyme Reactions

nmdcat.online July 11, 2026

Concerning enzyme concentration, reducing the amount of enzyme by half while maintaining excess substrate generally results in

A. Approximately half the original reaction rate

✓

B. Double the reaction rate

C. No change in reaction rate

D. Complete loss of enzyme activity

📝 Explanation

With substrate in excess, the reaction rate depends mainly on the number of enzyme molecules available to catalyze the reaction.

📖 Additional Information

Approximately half the original reaction rate
Double the reaction rate
No change in reaction rate
Complete loss of enzyme activity

With substrate in excess, the reaction rate depends mainly on the number of enzyme molecules available to catalyze the reaction.

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