How is the bulk of carbon dioxide carried in blood?
A. chemically combined with the amino acids of hemoglobin as carbaminohemoglobin in the red blood cells
B. as the bicarbonate ion in the plasma after first entering the red blood cells
C. as carbonic acid in the plasma
D. chemically combined with the heme portion of hemoglobin
Answer:B
How is the bulk of carbon dioxide carried in blood?
A. chemically combined with the amino acids of hemoglobin as carbaminohemoglobin in the red blood cells B. as the bicarbonate ion in the plasma after first entering the red blood cells C. as carbonic acid in the plasma D. chemically combined with the heme portion of hemoglobin