Multiple ChoiceWhich of the following functional groups contains a carbonyl group directly bonded to a nitrogen atom?
Multiple ChoiceWhich functional group is responsible for the ability to taste phenylthiocarbamide (PTC)?
Multiple ChoiceWhich of the following functional groups is responsible for the yellow-orange pigment in skin known as carotenoids?
Multiple ChoiceWhich functional group is responsible for the characteristic reaction with Gram's iodine in starch testing?
Multiple ChoiceWhich functional group is characterized by a carbon atom double-bonded to an oxygen atom and single-bonded to a hydroxyl group?