Match the metallo proteins with their respective functions.
| P | Ferritin | I | Electron transfer |
| Q | Rubredoxin | II | Acid-base catalysis |
| R | Cobalamin | III | Metal storage |
| S | Carbonic anhydrase | IV | Methyl transfer |
1
P-III; Q-II; R-I; S-IV
2
P-III; Q-I; R-IV; S-II
3
P-IV; Q-I; R-III; S-II
4
P-IV; Q-II; R-I; S-III
5
Question Not Attempted