You Add Substrate to an Enzyme Reaction Until the Rate

question 4

Multiple Choice

You add substrate to an enzyme reaction until the rate no longer changes,and then,upon raising the temperature,you see the reaction rate go up even further.You conclude that

• A) increasing the temperature has activated an inhibitor.
• B) the saturation rate was not determined at the optimal temperature.
• C) the increased temperature has removed a prosthetic group,thus activating the enzyme.
• D) the reaction is regulated by feedback inhibition.
• E) the subunits of the enzyme have denatured.

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