Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
Related questions
Question
A mutation in the alpha globin gene that introduced one additional basic amino acid residue in the BPG binding pocket would: (select one)
a) Eliminate Hb’s positive cooperativity.
b) Decrease Hb’s O2 binding affinity.
c) Increase Hb’s O2 binding affinity.
d) Increase O2 binding in muscle and decrease it in lungs.
e) Decrease O2 binding in muscle and increase it in lungs.
f) It would have no effect on the adult form of Hb.
Expert Solution
Step 1
2,3-Bisphosphoglycerate or BPG shifts T-R equilibrium to the left as it only binds to deoxyhemoglobin.
In normal conditions, binding of BPG to hemoglobin decreases the oxygen binding affinity.
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