A) Manganese
B) Zinc
C) Copper
D) Boron
Correct Answer: A
Solution :
Photolysis of water requires light energy and\[{{O}_{2}}\] evolving complex (OEC) and an electron carrier \[{{Y}_{z}}\]. OEC complex was formerly called z -enzyme. It has four Mn ions. Light energy brings about changes in Mn which helps in removing electrons from \[O{{H}^{-}}\] component of water forming oxygen. Liberation of \[{{O}_{2}}\] also requires \[C{{l}^{-}}\]and \[C{{l}^{2+}}\].
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