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Give the biochemical events occurring in the root nodule of a pulse plant. What is the end product? What is its fate?
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Formation of root nodule in pulse plant is the result of infection of roots by Rhizobium.
The following figure shows the process of nodule formation
The chemical reaction is as follows
The reaction takes place in presence of enzyme nitrogenase which acts in anaerobic conditions created by leghaemoglobin.
Fate of Ammonia:
There are two ways by which ammonia is further used :
(a) Reductive Amination
Ammonia reacts with -ketoglutaric acid to form glutamate.
(b) Transamination
In this process, transfer of group take place from one amino acid to other amino acid; enzyme transaminase catalyses this reaction.
The following figure shows the process of nodule formation
The chemical reaction is as follows
The reaction takes place in presence of enzyme nitrogenase which acts in anaerobic conditions created by leghaemoglobin.
Fate of Ammonia:
There are two ways by which ammonia is further used :
(a) Reductive Amination
Ammonia reacts with -ketoglutaric acid to form glutamate.
(b) Transamination
In this process, transfer of group take place from one amino acid to other amino acid; enzyme transaminase catalyses this reaction.
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Question Text | Give the biochemical events occurring in the root nodule of a pulse plant. What is the end product? What is its fate? |
Topic | Mineral Nutrition |
Subject | Biology |
Class | Class 11 |
Answer Type | Text solution:1 |
Upvotes | 131 |