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Which outcome results when an unoptimized enzymatic catalyst suffers substrate inhibition?

A)Reaction rate greatly decreases, quickly
B)Product equilibrium shifts unexpectedly forward
C)Enzyme active site changes conformation
D)Catalyst degrades into constituent parts

💡 Explanation

Substrate inhibition reduces activity because excess substrate blocks the active site, hindering product formation; therefore, the reaction decelerates sharply, rather than shifting equilibrium, changing the active site, or causing catalyst degradation via denaturation.

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