The "proximal" Histidine in Hemoglobin's subunits is not:
A. in the F helix
B. covalently bound to iron
C. pulled toward the heme when 02 binds
D. on the opposite side from the distal His
E. all of the above are true
Answer: E
Quiz, Objective, Multiple Choice Question (MCQ), Test Bank Solution and Short Answers.