AP BIOLOGY

Detailed explanation-1: -The element nitrogen is present in all of the following except A proteins B | Course Hero. monosaccharides . The monosaccharides are simple sugar molecules that contain carbon, hydrogen and oxygen atoms. proteins .

Detailed explanation-2: -The chemical structures of carbohydrates contain carbon, hydrogen, and oxygen atoms. It does not have nitrogen.

Detailed explanation-3: -Proteins, carbohydrates and lipids are made from three basic molecules: carbon, hydrogen and oxygen. However, all proteins contain an element not found in carbohydrates and lipids is nitrogen.

Detailed explanation-4: -There are four major classes of biological macromolecules-carbohydrates, lipids, proteins, and nucleic acids. Each are made up of different elements. Nitrogen is found in two of these macromolecules-proteins and nucleic acids.

Detailed explanation-5: -Nitrogen is in all amino acids and nucleotides, and therefore in all proteins and nucleic acids.