Most oxygen is transported in the blood bound to __________.
A) the plasma membrane of erythrocytes
B) alpha chains in hemoglobin
C) beta chains in hemoglobin
D) delta chains in hemoglobin
E) heme groups in hemoglobin

Question

Quizplus · Accepted Answer

Oxygen is transported in the blood bound to heme groups in hemoglobin. Hemoglobin is a protein found in red blood cells that binds to oxygen and delivers it throughout the body. Each hemoglobin molecule contains four heme groups, each of which can bind to one molecule of oxygen.

Most Oxygen Is Transported in the Blood Bound to __________