A) \[NO_{2}^{-}\]
B) ammonia
C) \[NO_{3}^{-}\]
D) glutamate
Correct Answer: B
Solution :
The process of conversion of nitrogen \[({{N}_{2}})\] to ammonia is termed as nitrogen fixation, \[\underset{(Nitrogen)}{\mathop{{{N}_{2}}}}\,\to \underset{(Dimide)}{\mathop{{{N}_{2}}{{H}_{2}}}}\,\to \underset{(Hydrazine)}{\mathop{{{N}_{2}}{{H}_{4}}}}\,\to \underset{(Ammonia)}{\mathop{2N{{H}_{3}}}}\,\] \[2N{{H}_{3}}+3{{O}_{2}}\xrightarrow{{}}2NO_{2}^{-}+2{{H}^{+}}+2{{H}_{2}}O\] \[2N{{O}_{2}}+{{O}_{2}}\xrightarrow{{}}2NO_{3}^{-}\] In reductive animation ammonia reacts with\[\alpha -\] ketoglutaric acid and forms glutamic acid \[\alpha -\]ketoglutaric acid \[+\,NH_{4}^{+}+NADPH\] \[\xrightarrow[\text{Dehydrogenae}]{\text{Glutamate}}Glutamate+{{H}_{2}}O+NADP\]
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