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Question
Heterocysts, which are specialized cells in nitrogen fixation, occurs in
Heterocysts, which are specialized cells in nitrogen fixation, occurs in
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Solution
The correct option is A Nostoc
Nostoc is a cyanobacterium. It has the ability to fix atmospheric nitrogen. It converts nitrogen into ammonia. The heterocysts present in it are specialized for nitrogen fixation. It contains enzyme nitrogenase. Nitrogenase is inactivated by oxygen. Hence, the heterocyst creates a micro anaerobic environment.Thus, the correct answer is 'Nostoc.'
Nostoc is a cyanobacterium. It has the ability to fix atmospheric nitrogen. It converts nitrogen into ammonia. The heterocysts present in it are specialized for nitrogen fixation. It contains enzyme nitrogenase. Nitrogenase is inactivated by oxygen. Hence, the heterocyst creates a micro anaerobic environment.
Thus, the correct answer is 'Nostoc.'
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