aminohappotähdettä
Aminohappotähdettä is a Finnish term that translates to "amino acid residue" in English. In the context of biochemistry and molecular biology, it refers to a single amino acid that has become incorporated into a polypeptide chain or protein. When amino acids link together to form a protein, they do so through peptide bonds, which are formed between the carboxyl group of one amino acid and the amino group of another. During this process, a molecule of water is released, and the resulting unit within the chain is referred to as an amino acid residue.
The term emphasizes that an amino acid is no longer a free-standing molecule once it is part