If a Mouse Carries a Mutation That Causes the Enzyme

Multiple Choice

If a mouse carries a mutation that causes the enzyme carbonic anhydrase to be less effective, it would be reasonable to predict that the mouse would differ from a wild-type mouse in being

A) less effective at loading CO₂ from its cells to its blood, but just as effective at off-loading CO₂ from the blood to the alveoli in the lungs.
B) less effective at off-loading CO₂ from the blood to the alveoli in the lungs, but just as effective at loading CO₂ from its cells to its blood.
C) less effective at loading CO₂ from its cells to its blood and off-loading it in the alveoli in the lungs.
D) more effective at loading CO₂ from its cells to its blood, but less effective at off-loading CO₂ from the blood to the alveoli in the lungs.
E) more effective at off-loading CO₂ from the blood to the alveoli in the lungs, but less effective at loading CO₂ from its cells to its blood.