Final answer:
Carbohydrates consist of simple monosaccharides bonded together to form larger structures like disaccharides and polysaccharides, serving essential roles in cellular functions.
Explanation:
Carbohydrates consist of many simple monosaccharides joined together. Monosaccharides like glucose bond to form disaccharides such as maltose and polysaccharides like glycogen. Carbohydrates are vital as an energy source and for structural support in cells.
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