2H2O 4H+ + O2 + 4e-

Based on the above equation, answer the following questions:


a. Where does this reaction take place in plants?


b. What is the significance of this reaction?


(a) It shows the decomposition of water molecule. It takes place in PS II. It is located on the inner surface of thylakoid membrane. (b) Splitting of water continuously provides electrons to the electron transport chain; further steps of photosynthesis.


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