Identify the types of simple carbohydrates and complex carbohydrates. List the dietary recommendations (dietary reference intake [DRI] and acceptable macronutrient distribution range [AMDR]) for carbohydrates. Discuss the functions of carbohydrates as a source of energy and dietary fiber, including soluble and insoluble fiber. Compare the nutrient content of refined versus unrefined grains. List the various functions of water. Describe the sources of water..