<prompt> Which of the following post translational modification process is Irreversible ?AcylationPhosphorylationUbiquitinationADP ribosylation  <response>: Post translational modifications REVERSIBLE IRREVERSIBLE Disulfide bridge Proteolysis Glycosylation Ubiquitination Phosphorylation Lysine hydroxylation Acylation Proline hydroxylation N-acetylation Methylation ADP-ribosylation 