Carbohydrates

Monosaccharides

• Simplest form of sugar

• Example: glucose

Dissaccharides

• 2 monosaccharides connected => more energy

• Example: lactose

Polysaccharides

• Many monosaccharides connected

• Insoluble in water

Example: startch

Examples and Sources of Carbohydrates

Metabolic role of Carbohydrates

• Glucose is broken down to release energy in cellular respiration

Structural role of Carbohydrates

• Cellulose is the main component of plant cell walls

Glycogen

• Excess carbs are stored as glycogen in muscle and liver cells