biological molecules

• what makes up carbohydrates: carbon, hydrogen and oxygen
• what makes up fats: carbon, hydrogen and oxygen
• what makes up proteins: carbon, hydrogen, oxygen and nitrogen
• what are the functions of carbohydrates: substrate for respiration, form protective & supporting structure, synthesise lubricant
• what are the function of fats: source & store of energy, insulating material, solvent for fat-soluble hormones & vitamins, formation of cell membrane
• what are the function of proteins: synthesise of new protoplasm, growth & repair, enzymes & some hormones, formation of antibodies to combat diseases