Which of the Following Statements Is TRUE Regarding CO₂ in the Mammalian

question 132

Multiple Choice

Which of the following statements is TRUE regarding CO₂ in the mammalian bloodstream?

• A)Like oxygen, CO₂ is transported through the mammalian bloodstream via hemoglobin; however, CO₂ binds to hemoglobin at  subunits rather than heme groups.
• B)Unlike oxygen, CO₂ is transported through the mammalian bloodstream by myoglobin.
• C)All CO₂ is transported through the mammalian bloodstream as a dissolved gas, and is carried directly in the plasma.
• D)CO₂ is mainly transported through the mammalian bloodstream in the form of bicarbonate ions or carbonic acid.
• E)In the mammalian bloodstream, CO₂ is much less soluble than O₂.

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