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Large Molecules

Carbohydrates

Monosaccharides

Triose (3 carbons)

Product of respiration and photosynthesis

Pentose (5 carbons)
- Ribose
- Deoxyribose

Found in RNA and DNA
nucleic acids

Hexose (6 carbons)
- Glucose
- Fructose
- Galactose

Source of energy in respiration
Main energy source in brain
Found in sweet-tasting fruits

Disaccharides (two sugar residues)

Sucrose (glucose + fructose)

Transport carbohydrates in plants

Maltose (glucose + glucose)

Formed from digestion of starch

Lactose (glucose + galactose)

Carbohydrates found in milk

Polysaccharides (many sugar residues)

Starch (alpha-glucose)

Main storage of carbohydrates 
- in plants

Glycogen (alpha-glucose)

- in humans and animals

Cellulose (beta-glucose)

Important component of the plant cell wall

Starch

Glycogen

Cellulose

Proteins

Structure

Bonds Found in Proteins

Absorption and Function

Lipids