At the PH Found in Cells (About 7

question 13

Multiple Choice

At the pH found in cells (about 7.0) ,what happens to the carboxyl group on an amino acid?

• A)It acts as a base and gains a proton,giving it a positive charge.
• B)It acts as an acid and loses a proton,giving it a negative charge.
• C)It is oxidized,and tends to act as an electron acceptor in redox reactions.
• D)It remains neutral,like water,and does not have a charge.

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