<prompt> Enzyme causing covalent bond cleavage without hydrolysisLyaseLigaseHydrolaseTransferase  <response>: These enzymes can remove groups from substrates or break bonds by mechanisms other than hydrolysis. For example, Fructose-1,6-bisphosphate --- Glyceraldehyde-3-phosphate dihydroxy acetone phosphateRef: DM Vasudevan, Page no: 41 