問題詳情

30. If the isoelectric point (pI) of a protein is 5.8 at buffer pH=7.5, how is the protein electrically charged?
(A) positively-charged
(B) negatively-charged
(C) electrically neutral
(D) Not sure, depending on the size of the protein
(E) Not sure, depending on the buffer composition

參考答案

答案:B
難度:適中0.444444
統計:A(4),B(4),C(0),D(0),E(1)

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