What type of molecule is not abundant as a nutritional component in the food that we eat?
molecules that belong to a group that includes sterols
molecules that contain nitrogenous bases and sugar-phosphate backbones
molecules that are important in fast energy metabolism and energy storage
molecules that are characterized by peptide bonds
molecules that contain high energy, saturated hydrocarbons
Answer: molecules that contain nitrogenous bases and sugar-phosphate backbones (B).