Peptide ke ntho ea biochemical pakeng tsa amino acid le protheine. E na le boima ba molek'hule e nyane ho feta protheine, empa boima ba molek'hule e kholo ho feta amino acid. Ke karoloana ea protheine. Ka mantsoe a mang, ho tloha ho tse fetang tse peli kapa ho isa ho tse ngata tsa amino acid peptide bond polymerization ho kena peptide, ebe ho tloha ho li-peptide tse ngata tse nang le liketane tse mahlakoreng tsa polymerization ho ba protheine. Amino acid e ke ke ea bitsoa peptide, e tlameha ho ba li-amino acid tse fetang tse peli tse hokahantsoeng ke motsoako oa ketane ea peptide ho bitsoa peptide; Li-amino acid tse ngata tse kopantsoeng hammoho ha li bitsoe li-peptide; Li-amino acid li tlameha ho hokahana ka litlamo tsa peptide, ho etsa "ketane ea amino acid", "khoele ea amino acid", khoele ea li-amino acid e ka bitsoa peptide. .