How Is the Rate of an Enzyme Catalyzed Reaction Affected

question 22

Multiple Choice

How is the rate of an enzyme catalyzed reaction affected by increasing enzyme concentration?

• A)The rate increases directly as the concentration of enzyme increases with excess substrate.
• B)The rate decreases directly as the concentration of enzyme increases.
• C)The rate initially increases as the concentration of enzyme increases,but then remains constant in spite of increasing amount of enzyme.
• D)The rate initially increases as the concentration of enzyme increases,but then decreases once the concentration of enzyme passes an optimum level.
• E)none of the above

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