Which gene cluster is responsible for nitrogen fixation in bacteria?
Nod, Nif, Nfx
Nod, Nif, Fix
Nod, Ndf, Nfx
Ndx, Nif, Fix
Ndx, Nif, nix
A
Ndx, Nif, nix
B
Nod, Nif, Nfx
C
Ndx, Nif, Fix
D
Nod, Nif, Fix
E
Nod, Ndf, Nfx
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Solution
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Nitrogen fixation is a process by which nitrogen present in the atmosphere is converted into ammonia. It is essential to life because fixed inorganic nitrogen compounds are required for the biosynthesis of all nitrogen-containing compounds. This process is done with the help of nitrogen-fixing bacteria that have Nod, Nif and Fix gene clusters responsible for nitrogen fixation.
So the correct answer is 'Nod, Nif, Fix'.
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