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Biochemistry
Polar (Uncharged)
| Amino Acid | Key Feature |
|---|---|
| Serine (S) | Hydroxyl group |
| Threonine (T) | Hydroxyl group |
| Asparagine (N) | Amide group |
| Glutamine (Q) | Amide group |
| Tyrosine (Y) | Phenol group |
| Cysteine (C) | Thiol group |
Mnemonic: "Santa’s Team Never Quit Trying Cookies" (S, T, N, Q, T, C)
Non-Polar (Hydrophobic)
| Amino Acid | Key Feature |
|---|---|
| Glycine (G) | Smallest side chain |
| Alanine (A) | Methyl group |
| Valine (V) | Branched chain |
| Leucine (L) | Branched chain |
| Isoleucine (I) | Branched chain |
| Methionine (M) | Sulfur-containing |
| Proline (P) | Cyclic structure |
| Phenylalanine (F) | Aromatic ring |
| Tryptophan (W) | Indole ring |
Mnemonic: "Grandma Always Visits London In May For Perfect Weather" (G, A, V, L, I, M, F, P, W)