Oxygen binds directly to which component of hemoglobin?
A) the four pyrrole nitrogens in the core of protoporphyrin
B) the ferrous iron in the core of protoporphyrin
C) the ferric iron in the core of protoporphyrin
D) 2,3-BPG bound in the central cavity of the hemoglobin tetramer
Correct Answer:
Verified
Q5: Which of the following provides the primary
Q6: The formation of hemichromes has been considered
Q7: A hexokinase deficiency would result in a
Q8: A shift of the oxygen dissociation curve
Q9: Hb S results from the substitution of
Q11: The relationship between partial pressure of oxygen
Q12: M-hemoglobins are derived from:
A)methemoglobin
B)sulfhemoglobin
C)carboxyhemoglobin
D)glycosylated hemoglobin A
Q13: Which of the following characteristics differentiates methemoglobin
Q14: The level of 2,3-biphosphoglycerate (2,3-BPG) exerts a
Q15: The problem with methemoglobin is:
A)it cannot bind
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