| A | B |
| What are the four classes of macromolecules? | Carbohydrates, proteins, nucleic acids, & lipids. |
| What do monosaccharide form in water? | rings |
| Where do plants store starch? | in plant cells in plastids |
| What is made of glucose and sotred in muscles and liver of vertebrates? | glycogen |
| What is the support in the walls of plant cells and not digestable by animals? | cellulose |
| What is found in the exoskeleton of invertebrates? | chitin |
| All lipids are insoluble in water? | lipids |
| Why are fats so important? | Since they store a great deal of enery. |
| What are macromolecules constructed from? | glycerol and fatty acid |
| What does each glycerol have? | three fatty acids |
| What do hydrophobic characteristics come from? | the non-polar C-H bonds in the tails of the fatty acids. |
| What is solid at room temperature? (ex. candy) | saturated fats (most animal fats; can be unhealthy) |
| Whatis usually a liquid at room temperature? (ex. oils_ | unsaturated fats (most plant fats; generally good for you) |
| What controls the function of each steriod? | the nature of functional group |
| What is the best known steriod? | cholesterol |
| What is an important part of animals cells? | cholesterol |
| Cholesterol is used to make up what other steriods? | testosterone and estrogen |