Question

c. h, o - elements that are common to biomolecules. if the biomolecule in question is a protein these elements also combine with nitrogen. which molecule below is a protein? 14 of 15 next

Explanation:

Proteins are composed of amino acids linked by peptide bonds. Option C shows a structure with peptide bonds (-CO-NH-), which is characteristic of proteins. Option A appears to be a lipid (triglyceride) structure, Option B is a carbohydrate (poly - hydroxyl aldehyde structure), and Option D is a nucleic acid (with phosphate - sugar - base units).

Answer:

C.