Enzyme causing covalent bond cleavage without hydrolysis: (A) Lyase, (B) Ligase, (C) Hydrolase, (D) Transferase
Answer is A. 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