<prompt> In metabolism of xenobiotics, all of the following reaction occur in phase one exceptOxidationReductionConjugationHydrolysis  <response>: Metabolic reactions are classified as phase 1non-synthetic and phase 11 synthetic reactions . Phase 1 reaction include oxidation, reduction ,hydrolysis cyclization and decyclization etc Phase 11 reaction include glucorinidation, acetylation, motivation, sulfation and glycine conjugation Refer KDT 7e p22-24 