Which of the following is correct concerning fetal hemoglobin?
A) Fetal hemoglobin is composed of two α and two γ subunits.
B) Fetal hemoglobin binds 2,3-BPG more tightly than normal adult hemoglobin.
C) Fetal hemoglobin binds oxygen less than HbA at all pO2.
D) Fetal hemoglobin does not exist in the T form.
E) None of the above.
Correct Answer:
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