4. Biomolecules
Functional Groups
Multiple Choice
Multiple ChoiceWhich of the following examples best describes a unique functional property of the carboxyl group?
A
Its compounds may be structural isomers with different properties.
B
Two carboxyl groups can bond covalently to help stabilize protein structure.
C
It is polar as a result of the electronegative oxygen atom drawing electrons toward it.
D
The covalent bond between oxygen and hydrogen is so polar that hydrogen ions tend to dissociate from oxygen reversibly.
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