amino acid tshuav nyiaj li cas
Qhov sib npaug ntawm cov amino acids ntawm cov amino acids tseem ceeb thiab cov amino acids tseem ceeb thiab amino acids uas tsis tseem ceeb kuj yog qhov tseem ceeb. Tshwj xeeb tshaj yog thaum cov khoom ntawm cov amino acids tseem ceeb tsis txaus, amino acid tshuav nyiaj tseem ceeb dua.