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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.
Catecholamines increase activation of Ca 2+ via beta-adrenergic receptors and the adenyl cyclase system. Dopamine has both alpha and beta and dopaminergic effects. Its beta ef
Characteristics of Thick Gingiva Relatively flat soft tissue and bony architecture Dense fibrotic soft tissue Relatively large amount of attached gingiva Thick und
Q. Show Takhtajans System of Classification? Another important phytogenetic system was proposed by Takhtajan, the famous Russian Palaeobotanist working at Komarov Botanical Ins
Give a specific example of homeostasis An owl handles its body temperature by burning fuel to make body heat and by fluffing up its feathers to trap an insulating layer of air
what are the gonad gland disorders and what do they do
If due to some injury the chordae tendinae of the tricuspid valve of the human heart is partially non-functional, what will be the immediate effect? 1. The flow of blood into t
What are the stages into which photosynthesis is divided? Photosynthesis is separated into the photochemical stage, or light reactions, and the chemical stage. Photosynthesi
A field trip to observe flowers:- Plan a field trip to view flowers in bloom. If no interesting wildflowers can be found growing near the school, the trip can be planned to a p
Q. Summarize the cellular and molecular events of bone formation? The events involved in osseous wound healing at implants recapitulate the events of wound healing. Haemostasi
ARTIFICIAL INSEMINATION - Artificial insemination is a technique to make a female pregnant by artificially introducing semen into the vagina. Artificial insemination has
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