• Carbohydrates are made up of units of ____. Carbs are used for ____. • Complex carbohydrates contain long chains of simple sugar units bonded together, e.g. ____, cellulose, and glycogen. • ____ consist of three molecules of ____ acids bonded to a molecule of ____. We need lipids for ____. • ____ molecules are made up of long chains of ____ acids. Proteins are needed for growth and ____ of tissues.

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