Correct the following sentences:
A) `C_(3)` cycle is also called Calvin cycle after its discover, Melvin Calvin, who was awarded Nobel Prize in 1951.
B) The oxygenase activity of the enzymes RUBISCO allows `O_(2)` to compare with `CO_(2)` for combining with RuMP.
c) The main purpose of light reaction is to generate assimilatory power in the form of ATP and NADPH.
D) Accessory pigments absorb light and transfer it to pheophytm for conversion to electrical energy.