| A | B |
| Macromolecules | small organic compounds (building blocks) |
| Macromolecules are... | carbos, lipids, proteins, nucleic acids |
| Carbos do what... | store and provide energy |
| Carbos are composed of ... | C6-H12-O6, 1-2-1 ratio |
| Polysaccharides- | many sugars |
| Glycogen | animals store them in this form of glucose |
| Plants | body can't break down |
| Building blocks of lipids are | glycerol and fatty acids |
| Do they disolve in water | no |
| How many calories? | fats=9 carbos=4 |
| Saturated fats have | maximum# |
| Unsaturated fats | have double bonds and fewer |
| Cell membrane is composed of | lipids attached to phosphate molecules-phosphate molecules- phospolipids |
| Cholesterol | is in the membrane also a steroid |
| many hormones are | steroids |
| proteins are most abundant in | collagen |
| Many enzymes control | chemical reactions of metabolism |