Which Statement Is TRUE of Enzyme Catalysts

question 41

Multiple Choice

Which statement is TRUE of enzyme catalysts?

• A) Their catalytic activity is independent of pH.
• B) They are generally equally active on D and L isomers of a given substrate.
• C) They can increase the equilibrium constant for a given reaction by a thousand fold or more.
• D) They can increase the reaction rate for a given reaction by a thousand-fold or more.
• E) To be effective, they must be present at the same concentration as their substrate.

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Definitions:

Total Lung Capacity

The maximum amount of air the lungs can hold, encompassing tidal volume, residual volume, and other respiratory volumes.

Tidal Volume

The amount of air that is inhaled or exhaled during normal breaths at rest.

Lung Cancer

A type of cancer characterized by the uncontrolled growth of abnormal cells in the lungs, often caused by smoking.