Which of the Following Reversible Reactions of Carbon Dioxide Explains

question 4

Multiple Choice

Which of the following reversible reactions of carbon dioxide explains how hemoglobin serves as a transporter of carbon dioxide?

• A)reaction with the imidazole group of the distal histidine where oxygen would normally be bound
• B)reaction with the carboxyl group of glutamic acid to form a carbonic acid anhydride
• C)reaction with the N-terminal amino groups to form a carbamate
• D)reaction with the hydroxyl group of serine to form a carbonate
• E)none of the above

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