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Which one of the following is wrong statement ?
A) Phosphorus is a constituent of cell membranes, certain nucleic acids and all proteins
B) Nitrosomonas and Nitrobacter are chemoautotrophs
C) Anabaena and Nostoc are capable of fixing nitrogen in free-living state also
D) Root nodule forming nitrogen fixers live as aerobes under free-living conditions
Explanation:
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