Which statement best describes the structures of proteins, carbohydrates, and lipids? Organic molecules are composed mostly of amino acids, and once digested, provide organisms with energy

OStarch and cellulose are small molecules produced from the digestion of complex carbohydrates such as glucose

ODue to their structure, carbohydrates have a greater caloric value than proteins and lipids.

Most organic molecules are large molecules composed of smaller units that contain carbon atoms.