Under normal circumstances:
A) Adult Hb binds to oxygen more tightly than Mb binds.
B) Fetal Hb binds oxygen more tightly than adult Hb.
C) Adult Hb binds oxygen more tightly than either fetal Hb or Mb binds.
D) Mb has the lowest affinity for oxygen of the 3.
E) More than one of these statements is correct.

Question

Quizplus · Accepted Answer

Fetal hemoglobin (Hb) has a higher affinity for oxygen than adult hemoglobin (Hb) to facilitate oxygen transfer from the mother to the fetus. Myoglobin (Mb) has a higher affinity for oxygen than adult hemoglobin, allowing it to effectively store oxygen in muscle tissues.

Under Normal Circumstances