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E. All of the above According to the figure below, which of the statements below

ID: 272698 • Letter: E

Question

E. All of the above According to the figure below, which of the statements below is the most accurate? A. O2 concentrations of arterial blood athatal 10 are inversely proportional to swimming spced. B. As O2 concentrations of blood drop in venous blood, swimming speed 4 increases. c. Hypoxia-adapted fish have a much 2 lower saturation level during exercise than other fish do. 0 D. As swimming speed increases, the Rest 50 60 70 80 90 100 arterial blood remains nearly Swimming speed (% maximum) saturated while the venous blood decreases in saturation. E. Cold-acclimated fish have a much lower saturation level during exercise than other fish do 17. The key enzyme involved in the formation of bicarbonate from CO, is A. lactate dehydrogenase. B. alcohol dehydrogenase. C. bicarbonate dehydrogenase. D. carbonic anhydrase. E. bicarbonase.

Explanation / Answer

Q.17

Answer: Option D

Explanation: Carbonic anhydrase catalyse the conversion of carbon dioxide and water to carbonic acid. The acid then dissociate to become bicarbonate ion.