1.   list several examples of carbohydrates.
2.   explain what is meant by a pentose sugar.
3.   explain the difference between deoxyribose sugar and ribose sugar.
4.   explain the difference between a monosaccharide, dissacharide, and polysaccharide
      sugar.
5.   list three examples of polysaccharides and state their functions.
6.   list the major functions of proteins in the body.
7.   recognize that proteins are composed of amino acid subunits.
8.   explain what is meant by a dipeptide and a polypeptide.
9.   list three examples of polypeptides.
10. explain in a sentence or two why there are so many possible kinds of proteins.
11. list some examples of lipids and some basic functions of these.
12. state the basic functions of phospholipids and steroids.
13. explain what is meant by a catalyst.
14. recognize that enzymes are organic catalysts composed chiefly of protein.
15. recognize that enzyme names tend to end in -ase.
16. explain how enzymes influence the activation energy needed to start a chemical
      reaction and why this is significant to living things.
17. explain how the functioning of the enzyme substrate complex allow enzymes to
      be reused in reactions.
18. explain what is meant by the active site of an enzyme and relate the shape of
      an enzyme to its function.
19. explain what is meant by the "Lock and Key" concept of enzyme activity.
20. recognize that even though enzymes may be reused in cells, eventually they are
      destroyed and new enzymes must be resynthesized.
21. define the term substrate.
22. define the term coenzyme.
23. explain how the following factors influence the activity of most enzymes; pH,
      temperature, and concentration of enzyme or substrate.
24. explain the basic difference in structure and function between DNA and RNA.