Oxyhemoglobin is in the ________ configuration. This is achieved by the ________ of 2, 3-BPG.
A) Tense; presence
B) Tense; absence
C) Relaxed; presence
D) Relaxed; absence

Question

Quizplus · Accepted Answer

Oxyhemoglobin is in the relaxed (R) configuration, which is achieved by the absence of 2, 3-BPG. 2, 3-BPG stabilizes the tense (T) state, which has a lower affinity for oxygen. When 2, 3-BPG is absent, hemoglobin shifts to the relaxed state, increasing its affinity for oxygen.

Oxyhemoglobin Is in the ________ Configuration