Cell: The Unit of LifeEasy

Question

Which one of the following is wrong statement ?

Options

A.Nitrosomonas and Nitrobacter are chemoautotrophs

B.Anabaena and Nostoc are capable of fixing nitrogen in free-living state also

C.Root nodule forming nitrogen fixers live as aerobes under free-living conditions

D.Phosphorus is a constituent of cell membranes, certain nucleic acids and all proteins

Solution

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