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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.
explain hadzi''s theory with reference to metazoa
what is universality of genetic code
Tongue grafting Top of the stock is cut diagonally and in an upward direction. Scion is cut diagonally in downward direction. A second cut is given from above downwards,
What are the main harms caused by vitamin A deficiency? How does this vitamin act in the physiology of vision? Deficiency of vitamin A (retinol) might be cause night blindness
What are primary consumers? Can a food chain present quaternary consumers without having secondary or tertiary consumers? Can a tertiary consumer of one chain be a primary or secon
describe the importance,principles,techniques and uses of microscopy
Size of Ecosystem As you know an ecosystem may be as small and as simple as a cow dung pad or as complex and large as an ocean or the biosphere itself, comprising a wide variet
Classification: There were many similarities between things or phenomena which led to their classification. The first classifications were in terms of beings (the living), th
PADP may be determined by measuring the end diastolic velocity of PADP = 4 V 2 Pulmonary regurgitant signal and applying the following formula V is the end diastolic veloci
Q. Besides being fundamental for the activation of the main gastric digestive enzyme how does HCl also directly participate in digestion? With its corrosive effect HCl also hel
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