McGraw-Hill Online Learning Center Test

McGraw-Hill Online Learning Center Test


1. Review the image and answer the following questions.

What will happen to this biochemical pathway if a metabolic disorder prevents the cell from manufacturing enzyme 3?

A. The pathway will skip the missing enzyme and continue as before.
B. The pathway will stop at the point of the missing enzyme, and the amount of an intermediate product will accumulate.
C. The two enzymes adjacent to the missing enzyme will take over its duties and keep the metabolic pathway going.
D. An alternate metabolic pathway will produce the same product for the cell.


2. Select the statement that is not true about this biochemical pathway.

A. Each enzyme in the pathway acts on the product of the previous stage.
B. The enzymes must act in the sequence shown.
C. The rate of the pathway is limited by the speed of the rate-limiting enzyme.
D. Each enzyme in the pathway can act on the original substrate.
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