Minh` go~ tie^ng' viet hok dc nen ban thong cam nha
Do sp thuy phan la Pro,His,Glu nen TRF la` tri peptit co nhom CONH2.
Thuy phan hok hoan toan duoc His-Pro do do co 2 t/h His-pro-Glu-CONH2 hay Glu-His-Pro-CONH2
Ban ghi CT ra thay M=380 > 362 do do' da co su tao thanh lactam o Glu.
Vi chi co vong 5 nen chon T/h 2.
Con` cau 2 ban so sanh tinh axit cai nao manh nhat, nhi, ba sau co ghi pt phan li tung nac 1 bat dau tu cation . Luc nao tong dien tich=0 thi pH= pka cua 2 ben cong lai chia 2.
Theo minh tinh toan thi pHI=(pKa2+pKa3)/2 Do tinh axit cua COOH>NH+>NH3+
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