massactk massactk
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активность: 2 года, 3 месяца назад
Peptides (from Ancient Greek πεπτός (peptós) ‘digested’, from πέσσειν (péssein) ‘to digest’) are short chains of amino acids linked by peptide bonds. Chains of fewer than twenty amino acids are called oligopeptides, and include dipeptides, tripeptides , and tetrapeptides. A polypeptide is a longer, continuous, unbranched peptide chain. Hence, […] Просмотр