· A substrate is a substance on which an enzyme acts during the chemical reaction. · An organic compound with a ratio of one carbon atom to two hydrogen atoms and to on oxygen atom is monosaccharide. · Glucose is a sugar that is a major source of energy in cells. · A lipid is an organic compound that is not soluble in water. · A protein is a long chain of amino acids. · Subunits of DNA and RNA are called nucleotides. · DNA is a nucleic acid that contains genetic information.
