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 positive charge.
C) It acts as an acid and loses a proton, giving it a negative charge.
D) It neither gains nor loses a proton and does not have a charge.
Correct Answer:

Verified
Correct Answer:
Verified
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