試題詳解

31. The functional activity of proteins can be modulated by protein modification. Which description is not true?
(A) Mass spectrometry is a tool to identify protein modification.
(B) Protein phosphorylation occurs at the residues of Ser, Thr, and Tyr.
(C) Protein methylation occurs at the residues of Leu and Arg.
(D) Histone acetylation results in gene activation.
(E) Histone methylation would activate or repress gene expression.