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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.
What is a biome? A biome is the prevailing ecosystem constituted by similar abiotic and biotic factors present in one or more regions of the planet.
State two characteristics of humans which distinguish them from other primates. Two features which differentiate humans from other primates are their upright posture and their
Explain in detail about the Concomitant squint Concomitant squint is also called comitant squint. It means "I follow you", i.e., in all directions of gazes, the squinted eye fo
Alteration of Turgor of Guard Cells There are two ways in which the relative turgor of guard cells may be altered. A decrease in osmotic potential or A decre
How many kidney in man?
Explain the Analysis of Food Samples? Now, in this practical, we shall deal with the endogenous and exogeneous microorganisms which are present on the food as contaminants. We
How did Alfred Hershey and Martha chase arrive at the conclusion that DNA is the Genetic material?
How shigellosis diseases occur in humans Occurrence: Poor personal hygiene is a common factor in food borne shigellosis, with shellfish, fruits and vegetables, chicken and sal
The luria-nebraska neuropsychological battery This procedure was first reported in 1978 in the form of two initial validity studies. Historically, Chirstensen, a student of the
Explain The working of Senses: Touch, Hearing, Equilibrium ? The senses are detected by sense organs, collections of receptor cells, or cells closely associated with them. A m
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