The Graph Shows the Temperature Profile for T

question 22

Multiple Choice

The graph shows the temperature profile for T. aquaticus polymerase, an enzyme used by a species of bacteria that lives in hot springs. What does the boxed region indicate?

• A) The enzyme activity increases as substrates increase their kinetic energy.
• B) The enzyme activity decreases as substrates increase their kinetic energy.
• C) The enzyme activity increases as the enzyme denatures.
• D) The enzyme activity decreases as the enzyme denatures.
• E) The enzyme activity decreases as the enzyme refolds.

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