The hydrogen ions released by the dissociation of carbonic acid are buffered by their

A) binding to hemoglobin.
B) transport into the erythrocyte as sodium ions move out.
C) binding to DNA within the nucleus.
D) transport out of the erythrocyte as a sodium ion moves in.
E) active transport out of the erythrocyte.


Answer: A) binding to hemoglobin.

Biology & Microbiology

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