What will be the answer
Options:
i) Electrical nitrogen fixation
ii) O2
i) Biological Nitrogen Fixation
ii)N2
i) Biological Nitrogen Fixation
ii)O2
i) Electrical nitrogen fixation
ii)N2
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Answers
Answered by
1
Answer:
biological nitrogen fixation
O2
Answered by
0
Answer:
The correct answer is (i) Biological Nitrogen Fixation, (ii) O2.
Explanation:
- Nitrogen is fixed in plants by a process known as biological nitrogen fixation, which uses certain anaerobic bacteria (works in the absence of oxygen).
- With the aid of specific anaerobic bacteria, nitrogen is fixed in plants through a process known as biological nitrogen fixation.
- Only specific prokaryotes, including bacteria and cyanobacteria, are capable of fixing atmospheric nitrogen.
- To catalyze the transformation of atmospheric nitrogen (N2) into ammonia, they use the enzyme nitrogenase (NH3).
- Since nitrogen-fixing bacteria's nitrogenase is extremely sensitive to oxygen, they are referred to as microaerobic bacteria. Oxygen is labile in the enzyme nitrogenase.
- Oxygen will permanently render the enzyme inactive. Therefore, oxygen must be kept away from the nitrogenase enzyme by the microorganisms that fix nitrogen.
- The root nodule's leghemoglobin pigment scavenges free oxygen so that nitrogenase can carry out its nitrogen fixing action undisturbed.
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