Column I | Column II | ||
A. | Lyases | P. | catalyse removal of groups from substrates by mechanisms other than hydrolysis, leaving double bonds |
B. | Ligases | Q. | catalyse the linking together of 2 compounds |
C. | Transferases | R. | catalyse the transfer of a group other than hydrogen between a pair of substrates |
D. | Isomerases | S. | catalyse inter-conversion of optical, geometric or positional isomers |
A | B | C | D | |
1. | P | Q | R | S |
2. | Q | P | R | S |
3. | P | Q | S | R |
4. | R | R | Q | S |
1. | Oxidoreductases | 2. | Hydrolases |
3. | Ligases | 4. | Lyases |