A.430.
B.520.
C.502.
D.448.
MAla-Gly-Ala-Gly-Gly-Val= 89.2 + 75.3 + 117 – 5.18 = 430
Đáp án cần chọn là: A
Tên gọi nào sau đây là của peptit : H2N-CH2-CONHCH(CH3)CONHCH(CH3)COOH ?
Edward, the manager, is requesting a meeting’s report from his assistant, Ella. What would be the best response for Ella in this situation?
Edward: I want the report for today’s meeting by Saturday.
Ella: _____________