If the graph of an enzyme- catalyzed reaction shows a sigmoidal relationship between substrate concentration and reaction rate, then what can be said about the reaction?
A)It is endergonic.
B)It is allosterically regulated.
C)It is covalently regulated.
D)It is exergonic.
E)It is part of an oxidation- reduction process.

Question

Quizplus · Accepted Answer

A sigmoidal relationship in enzyme kinetics typically indicates that the enzyme is allosterically regulated, as this type of curve suggests cooperative binding of substrate molecules.

If the Graph of an Enzyme- Catalyzed Reaction Shows a Sigmoidal