Question

Factor which is not favourable for the dissociation of Hbo, in the body tissues is

Low partial pressure of oxygen

High temperature

Low partial pressure of CO2

High H* ion concentration
​

Answer 1

Answer:

Following are the four factors that are responsible for the oxyhaemoglobin in alveoli:

pO

2

:The greater the partial pressure of the oxygen causes the binding of hemoglobin with the oxygen efficiently.

Temperature: The normal temperature favors the binding of hemoglobin with oxygen. The high temperature is responsible for the dissociation of the oxygen from haemoglobin.

pCO

2

: The large amount of the carbon dioxide decreases the formation of the oxyhaemoglobin. The carbon dioxide has more affinity for haemoglobin than with the oxygen.

H

+

: The increase in the hydrogen ion concentration or decrease in pH causes the increases in the dissociation of haemoglobin.

Thus, a high pCO

2

is not favourable for the formation of oxyhaemoglobin.

So, the correct answer is (D).

Explanation:

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