Biology

Ch8- Biomolecules

Biomolecules, examples found in food

Chemicals that are made inside a living thing. Carbohydrates, lipids (fats and oils), proteins, nucleic acids

What elements are found in food

(Carbon, hydrogen, oxygen, nitrogen) -96%, phosphorus, sulfur

Elements found in dissolved salts

Sodium, chlorine, potassium, magnesium, calcium

Trace elements

Only needed in tiny amounts, zinc, iron, copper, iodine

What elements are in carbohydrates and at what ratio

Carbon ,hydrogen, oxygen. Cx(H2O)y

characteristics of monosaccaride in carbs

1- single sugar unit 2- sweet to taste 3- soluble in water.

Examples

1 fructose: much sweeter than glucose