The Oxygen Content of Water Increases Linearly with Increase in Oxygen

question 30

Multiple Choice

The oxygen content of water increases linearly with increase in oxygen partial pressure while the oxygen content of blood increases in a sigmoidal (S-shaped) fashion.Why?

• A)Carbonic anhydrase contributes to CO₂ release in blood,but not water.
• B)The Bohr shift is stronger in water than in blood.
• C)Hemoglobin shows cooperative oxygen binding.
• D)All of the above answers apply.

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