14. In hemoglobin, the transition from T state to R state (low to high affinity) is triggered by:
(A) Fe2t binding.
(B) heme binding.
(C)oxygen binding.
(D) subunit association.
(E) subunit dissociation.
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統計: A(0), B(0), C(0), D(2), E(0) #3175898
統計: A(0), B(0), C(0), D(2), E(0) #3175898