Food Flashcards
Food is needed for
Energy (ATP - Adenine Triphosphate)
Growth of new cells
and Repair of existing cells
Made up of 6 chemical elements
CHONPS Carbon Hydrogen Oxygen Nitrogen Phosphurus Sulfur
Salts :
Sodium(NA) ,Magnesium(Mg) ,Chlorine, Potassium and Calcium
3 trace elements
Iron - Blood
Copper - Heart Health
Zinc - Immune system
Carbohydrates made up of
Carbon Hydrogen Oxygen
Genereal formula
Cx(H2O)y
Twice a many hydrogen molecules as oxygen moleculues
3 types of Carbs
Monosaccharide
Disaccharide
Polysaccharide
Monosaccharide
single sugar molecules
soluble in water
E.X Glucose Fructose
Disaccharide
double sugar molecules
soluble in water
sweet to taste
EX Sucrose lactose maltose
Polysaccharide
Many monosaccharide sugar molecules joined together
not soluble or sweet
EX Starch Cellulose
Lipids
Fats (solid at room temp)
Oils (Liquid at room temp)
Steroids (Include cholesterol and some sex hormones)
Waxes ( cover insect bodies and plant leaves)
Lipid is made up of
Carbon Hydrogen Oxygen
does not have the same ratio as Carbs
made up of 2 main types of molecules = fatty acid and glycerol
Triglycerides
glycerol attached to 3 fatty acids
Phospholipid
glycerol attached to 2 fatty acids and a phosphate
Role of lipid
Heat insulation
protect organs
waterproofing
