| Answer | Crossword Clue |
|---|---|
| SERINE | Amino acid in proteins |
| SERINE | Amino acid in many proteins |
| AMINO | Acid in proteins |
| AMINO | Acid in proteins, informally |
| AMINO | Sort of acid in proteins |
| AMINO | Kind of acid in proteins |
| AMINO | Type of acid found in proteins |
| GLYCINE | Amino acid found in protein |
| PROLINE | Amino acid found in collagen |
| GLYCINE | Amino acid found in sugar cane |
| CYSTINE | Amino acid in hair and skin |
| DOPA | Amino acid formed in the liver |
