The process of nitrogen-fixation by bacteria | vedclass

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(D) The process of biological nitrogen fixation is carried out by the enzyme nitrogenase. This enzyme is highly sensitive to oxygen and is inactivated

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Elemental form of oxygen

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(D) The process of biological nitrogen fixation is carried out by the enzyme nitrogenase. This enzyme is highly sensitive to oxygen and is inactivated in its presence. Therefore,nitrogen-fixing bacteria,such as Rhizobium,require an anaerobic (oxygen-free) environment to function effectively. In root nodules of leguminous plants,this environment is maintained by the protein leghemoglobin,which acts as an oxygen scavenger.

The process of nitrogen-fixation by bacteria does not take place in the presence of

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