Biology, asked by prabhuspsmech7775, 11 months ago

In the tissues, high concentrations of carbon-
dioxide
(a) increases the affinity of haemoglobin to both
oxygen and hydrogen
(b) increases the affinity of haemoglobin to
oxygen but decreases its affinity to hydrogen
(c) decreases the affinity of haemoglobin to
oxygen but increases its affinity to hydrogen
(d) decreases the affinity of haemoglobin to both
oxygen and hydrogen

Answers

Answered by DevendraLal
0

In the tissues,high concentrations of carbon dioxide

option:(d) decreases the affinity of haemoglobin to both oxygen and hydrogen

because of the following reason

* Increase in the CO2 content of the blood decrease the pH of the blood.

* This decreases the affinity of O2 with Hb.

*This facilities gaseous exchange because more O2 is related in the tissues where the amount of CO2 is more due to metabolic activity.

Answered by AditiHegde
1

In the tissues, high concentrations of carbon-dioxide decreases the affinity of haemoglobin to oxygen but increases its affinity to hydrogen.

  • Option (c) is correct.
  • Increase in the carbon dioxide content of the blood decreases the pH of the blood.  
  • This, in turn, decreases the affinity of oxygen with Hemoglobin.  
  • It results in the increased binding rate of deoxygenated haemoglobin with hydrogen ions than the haemoglobin itself.  
  • This facilitates more oxygen release in the tissues where the amount of carbon dioxide is more due to metabolic activity.  
  • So, the more amount of oxygen is taken up by the lungs or gills when the amount of carbon dioxide is low.
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