match each nutrient listed in column 1 with the most complete and accurate nutrition function and/or characteristic from column 2. - the most essential nutrient - organic compounds that provide structure for body cells and supply 9 kcal/gm - made from amino acids, contribute to cell and body structure, and supply 4 kcal/gm - organic compounds that regulate body processes and contribute to cell and body structure - the body converts most of this dietary source into glucose, which provides energy for cells and tissues a. lipids b. vitamins c. water d. carbohydrates e. protein