BIO NMDCAT Factors that Affect the Rate of Enzyme Reactions

nmdcat.online July 11, 2026

Regarding enzyme concentration, doubling the enzyme concentration while substrate remains abundant results in

A. Approximately doubling the reaction rate

✓

B. No measurable change in reaction rate

C. A decrease in substrate affinity

D. Permanent denaturation of enzymes

📝 Explanation

With excess substrate available, more enzyme molecules provide additional active sites, increasing the overall reaction rate nearly proportionally.

📖 Additional Information

Approximately doubling the reaction rate
No measurable change in reaction rate
A decrease in substrate affinity
Permanent denaturation of enzymes

With excess substrate available, more enzyme molecules provide additional active sites, increasing the overall reaction rate nearly proportionally.

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