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Among the given pH values, the O2 binding efficiency of hemoglobin is maximum at:
- a)6.8
- b)7.0
- c)7.2
- d)7.4
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
Among the given pH values, the O2 binding efficiency of hemoglobin is ...
PH and Hemoglobin Binding Efficiency
Hemoglobin is a protein present in red blood cells that is responsible for transporting oxygen from the lungs to the body tissues. The efficiency of hemoglobin to bind with oxygen is affected by the pH of the blood.
Effect of pH on Hemoglobin Binding Efficiency
- Hemoglobin has four subunits, each containing an iron ion that can bind with one oxygen molecule. When the pH of the blood is low, the affinity of hemoglobin for oxygen decreases, and it releases oxygen more readily. This effect is known as the Bohr effect.
- When the pH of the blood is high, the affinity of hemoglobin for oxygen increases, and it binds with oxygen more tightly. This effect is known as the Haldane effect.
Maximum O2 Binding Efficiency of Hemoglobin
- The pH of the blood is normally around 7.4, which is slightly alkaline. At this pH, the binding efficiency of hemoglobin with oxygen is maximum.
- At a lower pH, such as 6.8, the binding efficiency of hemoglobin with oxygen decreases because of the Bohr effect.
- At a higher pH, such as 7.8, the binding efficiency of hemoglobin with oxygen also decreases because of the Haldane effect.
Conclusion
Therefore, the correct answer to the given question is option 'D' (7.4), as the binding efficiency of hemoglobin with oxygen is maximum at this pH.
Hemoglobin is a protein present in red blood cells that is responsible for transporting oxygen from the lungs to the body tissues. The efficiency of hemoglobin to bind with oxygen is affected by the pH of the blood.
Effect of pH on Hemoglobin Binding Efficiency
- Hemoglobin has four subunits, each containing an iron ion that can bind with one oxygen molecule. When the pH of the blood is low, the affinity of hemoglobin for oxygen decreases, and it releases oxygen more readily. This effect is known as the Bohr effect.
- When the pH of the blood is high, the affinity of hemoglobin for oxygen increases, and it binds with oxygen more tightly. This effect is known as the Haldane effect.
Maximum O2 Binding Efficiency of Hemoglobin
- The pH of the blood is normally around 7.4, which is slightly alkaline. At this pH, the binding efficiency of hemoglobin with oxygen is maximum.
- At a lower pH, such as 6.8, the binding efficiency of hemoglobin with oxygen decreases because of the Bohr effect.
- At a higher pH, such as 7.8, the binding efficiency of hemoglobin with oxygen also decreases because of the Haldane effect.
Conclusion
Therefore, the correct answer to the given question is option 'D' (7.4), as the binding efficiency of hemoglobin with oxygen is maximum at this pH.
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Among the given pH values, the O2 binding efficiency of hemoglobin is ...
Affinity of oxygen increases with increase in ph ...called bohr effect
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Among the given pH values, the O2 binding efficiency of hemoglobin is maximum at:a)6.8b)7.0c)7.2d)7.4Correct answer is option 'D'. Can you explain this answer? for Chemistry 2025 is part of Chemistry preparation. The Question and answers have been prepared according to the Chemistry exam syllabus. Information about Among the given pH values, the O2 binding efficiency of hemoglobin is maximum at:a)6.8b)7.0c)7.2d)7.4Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Chemistry 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Among the given pH values, the O2 binding efficiency of hemoglobin is maximum at:a)6.8b)7.0c)7.2d)7.4Correct answer is option 'D'. Can you explain this answer?.
Among the given pH values, the O2 binding efficiency of hemoglobin is maximum at:a)6.8b)7.0c)7.2d)7.4Correct answer is option 'D'. Can you explain this answer? for Chemistry 2025 is part of Chemistry preparation. The Question and answers have been prepared according to the Chemistry exam syllabus. Information about Among the given pH values, the O2 binding efficiency of hemoglobin is maximum at:a)6.8b)7.0c)7.2d)7.4Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Chemistry 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Among the given pH values, the O2 binding efficiency of hemoglobin is maximum at:a)6.8b)7.0c)7.2d)7.4Correct answer is option 'D'. Can you explain this answer?.
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