Questions are presented in the table below. Enter the answers and click submit to mark (you need a username and password for SSL, click sign up to the right to create one, it takes about 30 seconds). Answers will turn green or give a percentage incorrect. Type GIVEUP to see the answer, and refresh the page to reset all questions and see completed tags.
| Picture | Name |
 | Cysteine |
 | Histidine |
 | Isoleucine |
 | Serine |
 | Valine |
 | Alanine |
 | Glycine |
 | Leucine |
 | Proline |
 | Threonine |
 | Phenylalanine |
 | Arginine |
 | Tyrosine |
 | Tryptophan |
 | Aspartate |
 | Asparagine |
 | Glutamate |
 | Glutamine |
 | Lysine |
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