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MCAT · question 1 of 5
Which of the following statements correctly describes the structural and functional properties of myoglobin compared to hemoglobin?
A
Myoglobin and hemoglobin both utilize cooperative binding, but myoglobin lacks a quaternary structure.
B
Myoglobin has a lower affinity for oxygen than hemoglobin, allowing it to release oxygen more easily in peripheral tissues.
C
Myoglobin is a monomeric protein with a hyperbolic oxygen dissociation curve and its oxygen affinity is not affected by pH.
D
Myoglobin is a tetramer that exhibits a sigmoidal oxygen binding curve and is highly sensitive to changes in pH.
E
Myoglobin functions primarily as an oxygen transporter in the blood and exhibits a Bohr effect similar to hemoglobin.
One tap. No account needed.
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