Multiple ChoiceWhich of the following functional groups is characterized by a carbon atom double-bonded to an oxygen atom?
Multiple ChoiceWhich of the following statements is true regarding the functional group known as a carboxylic acid?
Multiple ChoiceWhich of the following functional groups is responsible for the color of pigments in organic compounds?
Multiple ChoiceWhich of the following statements about the functional groups present in norepinephrine (NE) is incorrect?