Bachelor’s Degree Programme (BSCG) – Plant Physiology and Metabolism Assig. Answer | BBYCT–137(Q-6)

Bachelor’s Degree Programme (BSCG) – Plant Physiology and Metabolism Assig. Answer | BBYCT–137(Q-6)

6. a) What are diazotrophs? Distinguish between the eukaryotic and bacterial nitrate reductase enzyme.
b) Describe the glutamate synthase (GOGAT) route of ammonium assimilation. 

Answer

a) Diazotrophs are bacteria and archaea that fix atmospheric nitrogen gas into a more usable form such as ammonia. A diazotroph is a microorganism that is able to grow without external sources of fixed nitrogen. Examples of organisms that do this are rhizobia and Frankia and Azospirillum.

b)

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