There are a number of functional groups in biological molecules. Which of the following statements about their presence in different classes of molecules is most accurate?

Question

Quizplus · Accepted Answer

Amino groups contain nitrogen and may be found in modified carbohydrates such as glycosaminoglycans, as well as in proteins. Hydroxyl groups are present in carbohydrates, aldehyde groups are not common in proteins, carboxyl groups are present in amino acids and other larger molecules, and sulfhydryl groups are more common in proteins than in fats.

There Are a Number of Functional Groups in Biological Molecules