In an Enzyme-Catalyzed Reaction

question 67

Multiple Choice

In an enzyme-catalyzed reaction,

• A) a substrate does not change.
• B) the rate decreases as substrate concentration increases.
• C) the enzyme can be permanently changed.
• D) strain may be added to a substrate.
• E) the rate is not affected by substrate concentration.

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Definitions:

Energy

The capacity to do work or the power derived from the utilization of physical or chemical resources.

Food

Any nutritious substance that people or animals eat or drink to maintain life and growth.

Fat

A natural oily or greasy substance occurring in animal bodies, especially when deposited as a layer under the skin or around certain organs.

Calories

A unit of energy used to measure the amount of energy contained in food and drink and the energy expended during physical activity.