阿摩線上測驗
15. What is the overall net charge of the peptide sequence Arg-Gly-Ser-Lys-Glu-Asp at pH 7.0?
(A) +2,
(B) +1,
(C) 0,
(D)-2,
(E) -1.
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統計： A(1), B(3), C(3), D(0), E(0) #2825298
統計： A(1), B(3), C(3), D(0), E(0) #2825298
