3 Written Questions

1. polar:amino acids;sugars and other alcohols
2. nonpolar:fatty acids, some amino acids
3. polar: reactive-sugars, amino acids, nucleotides

2 Multiple Choice Questions

1. basic:amino acids, some nucleotide bases
   1. methyl
   2. carbonyl
   3. carboxyl
   4. amine
2. forms disulfide bridges:cysteine(an amino acid)
   1. hydroxyl
   2. sulfhydryl
   3. methyl
   4. carboxyl

2 True/False Questions

1. carboxyl → polar: reactive-sugars, amino acids, nucleotides

   True        False

2. phosphate → polar:amino acids;sugars and other alcohols

   True        False