Proline
Definitions
A nonessential amino acid C₅H₉NO₂ found in most animal proteins, especially collagen; its cyclic structure leads to kinks in the peptide chain of proteins.
Equivalents
CEFR level
B1
Intermediate
This word is part of the CEFR B1 vocabulary — intermediate level.
This word is part of the CEFR B1 vocabulary — intermediate level.
Know this word better than we do? Language is a living thing — help us keep it growing. Collaborate with Babel Free