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Physiology Muscle 3b6f05f8

Which of the following is true about myoglobin?

A
Myoglobin binds to 4 moles of O2 per mole
B
Myoglobin - dissociation curve has parabolic profile
C
Myoglobin - has a high O2 affinity compared to that of hemoglobin
D
Myoglobin - dissociation curve shows bohr effect.
High-Yield Explanation
Features of O2 - MYOGLOBIN DISSOCIATION CURVE 1. Myoglobin dissociation curve has a rectangular hyperbola 2. 1 mole of myoglobin binds to 1 mole of O2 Myoglobin has higher affinity for O2 compared to Hb. (left shift of myoglobin - O2 curve compared to O2 - Hb curve) Because myoglobin is the store of O2, it has rectangular hyperbola curve as it holds O2 for long time.

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