117
Question
Which one of the following is wrong statement?
Which one of the following is wrong statement?
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Solution
The correct option is C Phosphorus is a constituent of cell membranes, certain nucleic acids and all proteins
Phosphorus is a constituent of cell membranes as a phospholipid and in nucleic acid. Proteins are rich in phosphorus but phosphorus is not a constituent of all proteins.
Root nodule forming bacteria (Rhizobium) are free-living in soil. They usually live as aerobes under free-living conditions. But for nitrogen fixation, they develop symbiotic relations with plants and are strictly anaerobic during nitrogen fixation to activate the nitrogenase enzyme.
Anabaena and Nostoc are capable of fixing nitrogen in free-living state.
Nitrosomonas and Nitrobacter play an important role in nitrification. They are chemoautotrophs.
Phosphorus is a constituent of cell membranes as a phospholipid and in nucleic acid. Proteins are rich in phosphorus but phosphorus is not a constituent of all proteins.
Root nodule forming bacteria (Rhizobium) are free-living in soil. They usually live as aerobes under free-living conditions. But for nitrogen fixation, they develop symbiotic relations with plants and are strictly anaerobic during nitrogen fixation to activate the nitrogenase enzyme.
Anabaena and Nostoc are capable of fixing nitrogen in free-living state.
Nitrosomonas and Nitrobacter play an important role in nitrification. They are chemoautotrophs.
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