Multiple Choice
We are protected to some extent against low level CO poisoning because:
A) His F8 on Hb distorts the heme iron atom out of the heme plane and attracts O2, but not CO.
B) Affinity of Hb for O2 is much greater than for CO.
C) His E7 blocks perpendicular binding of CO to heme iron allowing for better binding competition by O2.
D) The competition of O2 for heme is much greater than CO for heme.
E) None of the above.
Correct Answer:
Verified
Correct Answer:
Verified
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