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Enzyme Synthesis
Nitrate assimilating system in general is known to show increase in nitrate uptake system and nitrate reductase system in the presence of nitrate. In other words, nitrate assimilatory system is induced by the presence of nitrate. Similarly, cells or organisme assimilating NH3 as nitrogen source show lack of nitrate assimilatory system. Such control of nitrate is called repression control. Thus nitrate is an inducer while ammonia is repressor of nitrate assimilatory system. Red light is known to enhance synthesis of nitrate assimilatory system and this light effect is mediated by well-known photomorphogenic pigment called phytochrome.
CHLOROPLASTS Schimper (1883) coined the term chloroplastid for green plastids. Mayer called them Autoplast. Chloroplast name proposed by Erera. Green plastids wi
Definition of Somatoform Disorders: The term 'Somatoform Disorders' was introduced in the scientific literature by the American Psychiatric Association in the third edition o
Discuss six bad listening habits. Which do you think is the biggest challenge for you personally?
Name two possible why the number of live bacteria cell have reached the stationary growth by 60hrs and start to die off after 12hrs?
Determination of Nicotinic acid The chemical methods of assay are based on colour reactions of pyridine. Nicotinic acid and nicotinamide are converted by cyanogen bromide into
Any significant variation in the internal temperature could have damaging effects on the body's enzymes. Homeotherms or warm-blooded animals including human can however generate co
what is cell
Regulation of Ammonia Assimilation Heterotrophic bacteria like Escherichia coli and Klebsiella aerogenes induce the operation of GS-glutamate synthase pathway of ammonia assim
What is the curvature of the lens In a human being and most other mammals, the first three mechanisms are not possible and accommodation occurs by the fourth mechanism only. T
What is root cap? Root cap is a protective structure located in the tip of the growing root. It defends the meristematic tissue of the root forming a cap that surrounds the tip
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