NEET Biology question

Not in NEET syllabus

Which of the following gene clusters in bacteria is responsible for nitrogen fixation?

(A)*nod*, *nif*, *fix*Correct
(B)*nod*, *ndf*, *nfx*
(C)*nod*, *nix*, *nfx*
(D)*ndx*, *nif*, *fix*

Answer: (A)

Solution

In *Rhizobium*, *nod* genes direct nodulation (root-hair curling, infection-thread and nodule formation) in a host-specific manner, *nif* genes encode the nitrogenase enzyme system itself, and

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-112716