Assertion (A): Assertion (A): The binding of oxygen to hemoglobin is primarily dependent on the partial pressure of oxygen. Reason (R): Reason (R): Hemoglobin has a higher affinity for oxygen at higher pO₂ and releases oxygen at lower pO₂.
- ABoth A and R are true and R is the correct explanation of A
- BBoth A and R are true but R is NOT the correct explanation of A
- CA is true but R is false
- DA is false but R is true
✓ Correct answer: A
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