A. Carbohydrates - Supplied mostly by plants. Simple sugar, glucose, is the most important monsaccharide in the body. All cells use glucose for energy. Except for tooth decay not really associated with disease. Starches - It is a complex carbohydrate consisting of long chains of glucose molecules.
Plants are the source of fiber.
Add bulk to stool and decreases time for stool to move through digestive track. Calories - Each gram of carbohydrate contains 4 calories. Commonly called fats or oils. Found in plant or animals. Each triglyceride molecule is made up of three fatty acids.