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← ScienceWhich 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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