MACROMOLECULES

PROTEIN

• A large organic molecule
• Made of amino acids

CHEMICAL COMPITION

• Proteins have the elements:
• Carbon
• Hydrogen
• Oxygen
• Nitrogen

FUNCTION

• Repair the cell
• Source of energy

EXAMPLES

• Meat such as chicken and steak
• Beans
• And fish

CARBOHYDRATES

• Large organic compounds
• Found in foods and tissue
• The Subunit is Monosaccharides

CHEMICAL COMPISITION

• Has carbon, hydrogen, and oxygen with a ratio of 1:2:1

FUNCTION

• Carbohydrates are a source of energy
• Part of the structure in the cell wall

EXAMPLES

• Milk potatoes and sugars are examples of carbohydrates

LIPIDS

• Organic compound
• Subunit is triglyceride

CHEMICAL COMPOSITION

• Lipids have C, H, and O
• Carbon
• Hydrogen
• Oxygen

FUNCTION

• Some lipids are cuticles (waxy coverings)
• They are also pigments and steroids

EXAMPLES

• Oils: vegetable peanut
• Fats found in meat

NUCLEIC ACID

• A large organic molecule found in living cells

CHEMICAL COMPOSITION

• Nucleic acid has C, H, N ,O ,P
• Carbon, hydrogen, nitrogen, oxygen, and potassium

FUNCTION

• Nucleic acid stores DNA and RNA
• DNA- carries information need to make proteins
• RNA- copies of DNA used to transfer information

EXAMPLES

• DNA
• RNA
• Nucleic acid can be found in all food