試題詳解

26. Which of the following statements is NOT true about phosphorylation?
(A) Phosphorylation is a common post-translational modification.
(B) Phosphorylation always leads to a change in protein conformation and a decrease in protein charge.
(C) Phosphorylation typically involves the addition of a phosphate group to a serine, threonine, or tyrosine residue.
(D) Phosphorylation always leads to protein activation.