LV Biology - Biological Molecules

+tests

carbohydrate elements

carbon, hydrogen and oxygen (CHO)

lipid elements

carbon, hydrogen, oxygen (CHO)

protein elements

carbon, hydrogen, oxygen, nitrogen (CHON)

storage for carbohydrates in: plants

starch: polysaccharide

storage for carbohydrates in: animals

glycogen: made of glucose (monosaccharide)

lipids are made of:

fatty acids and glycerol (meaning they are triglycerides)

proteins are made of:

long chains of amino acid monomers (meaning they are polymers)

test for: starch

iodine: brown → blue

test for: glucose

benedicts test: blue → brick red

test for: lipids

ethanol emulsion: white emulsion

test for: proteins

biruet: blue → lilac