classify each as a carbohydrate, protein, lipid or nuclei acid.

1. starch
2. cholestarol
3. steriod
4. glucogen
5. nucleotide
6. RNA
7. polypeptide chain
8. glucose
9. unsaturated fatty acid
10 . polysaccharide
11. phospolipid
12. glycerol
13. monasacchraride
14. cellulose
15. amino acid
16. enzyme
17. saturated fat
18. DNA