At About PH 7 in Most Cells, What Happens to the Amino

question 14

Multiple Choice

At about pH 7 in most cells, what happens to the amino R-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 reduced and tends to act as an electron donor in redox reactions.
• D) It remains neutral, like water, and does not have a charge.

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