The binding of CO₂ to haemoglobin is primarily related to

Moderate

A

partial pressure of CO₂and is not influenced by partial pressure of O₂.
B

partial pressure of O₂and is not influenced by partial pressure of CO₂.
C

partial pressure of CO_2. Partial pressure of O₂ is a major factor which could affect this binding.
D

carbonic anhydrase. Temperature is a major factor which could affect this binding.

Solution

The binding of CO₂ to haemoglobin is primarily related to the partial pressure of CO₂. pO₂ is a major factor which could affect this binding. At the tissues where pCO₂ is high and pO₂ is low, more binding of carbon dioxide occurs. At the alveoli where the pCO₂ is low and pO₂ is high, dissociation of CO₂ from carbamino-haemoglobin takes place and CO₂ is delivered to the alveoli.

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