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I-Riaw Suble Puna Puna Popler Polder yomenzi wokutya
I-tuna peridedesziimpawu ze-bious ezivela kwiproteyini efunyenwe kwintlanzi yeTuna. Ngenkqubo eyaziwa ngokuba yi-hydrolysis, iiproteni eTuna ziyaqhekeka zibe yimixokelelwane yamanqatha amancinci ee-amino acids, ezaziwa ngokuba yi-peptides. Ezi peptides ziyaziwa ngebhayoloji yazo ephezulu, intsingiselo banokungena ngokulula kwaye basetyenziswa ngumzimba.