CARBOHYDRATE

• Sugars/monosaccharide, disaccharide, polysaccharide
• Primary energy source for cells
• Provides quick energy
• A polysaccharide consist of many sugar units
• Ex. Glycogen

CHEM. COMP

FUNCTION

Examples of carbs: bread, sugar, noodles, sweet tea, pastries, fruits...

PROTEIN

• Amino acids
• Amino acids are the building blocks for all protein structures
• Polypeptides
• Primary, secondary, tertiary, and quaternary structure

CHEM. COMP

FUNCTION

• Storage- ex. Egg white
• Transport- hemoglobin
• Regulatory- hormones
• Movement- muscles
• Structural- membranes, hair
• Enzymes- cellular reactions

EXAMPLES

• Meats
• Nuts
• Beans
• Yogurt
• Egg
• Grain
• Cheese

LIPID

• Not soluble in water
• Soluble in other hydrophobic solvents
• Stores the most E

CHEM. COMP

FUNTION

• Long term E storage
• Insulation
• Protection against physical shock
• Protection against water loss
• Chem. messenger ex. Hormones
• Major component of membranes (Phospholipids)

EXAMPLES

• Waxes
• Oils
• Butter
• Dairy products
• Parts of meats
• Steroids ex. Cortisone
• Pastries