An ATP molecule is made up of which of the following? Select one: a. Carboxylic group, ribose sugar, adenine base b. Phosphate groups, deoxyribose sugar, thymine base c. Phosphate groups, ribose sugar, adenine base

A molecule is the smallest particle in a chemical element or compound that has the chemical properties of that element or compound. Molecules are made up of atoms that are held together by chemical bonds. These bonds form as a result of the sharing or exchange of electrons among atoms.