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Question

In photosynthetic electron transport system, Mn ions are associated with

A
CF0CF1 complex
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B
Cyt b6 - Cyt f complex
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C
Oxygen evolving complex
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D
Plastoquinone.
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Solution

The correct option is C Oxygen evolving complex
It is believed that PSII contains a manganese protein (Y) which possibly catalyses the early stages of O2 evolution. Four hundred molecules of chlorophyll contain 5-8 atoms of manganese, and about 4 atoms of Mn are required for full O2 evolution.

So, the correct option is 'Oxygen-evolving complex'.

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