Under physiological condition, oxygen is binding to deoxyhemoglobin and deoxymyoglobin, the binding curve and… · ABC26IN0038

Subject: Inorganic Chemistry · Chapter: Bioinorganic Chemistry · Topic: Bioinorganic Chemistry – General · Exam: CSIR-NET 2011-2020 · Marks: 2 · Difficulty: Easy

Under physiological condition, oxygen is binding to deoxyhemoglobin and deoxymyoglobin, the binding curve and its pH dependence, respectively, are
(a)Sigmoidal and pH dependent; hyperbolic and pH independent
(b)Hyperbolic and pH independent:sigmoidal and pH dependent
(c)Sigmoidal and pH independent;hyperbolic and pH dependent
(d)Hyperbolic and pH dependent:sigmoidal and pH independent
Answer
Answer: A ✓ checked by 4AB · confidence high
Explanation
Hemoglobin binds O₂ cooperatively (sigmoidal curve) and shows the Bohr effect (pH dependent); monomeric myoglobin gives a hyperbolic, pH-independent curve (a).

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