Q. Enzymes that catalyse removal of groups from substances by mechanism other than hydrolysis leaving double bond are called
Solution:
Lyases enzyme catalyze the breakage of specific covalent bonds and removal of groups without hydrolysis producing double bonds or removal of double bonds by adding groups e.g., histidine decarboxylase that splits C-C bond of histidine, forming and histamine.
Fructose-1, 6 diphosphate Dihydroxyacetone-3- phosphate + Glyceraldehyde-3-phosphate.