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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.
Foraminiferans - Protozoan Foraminiferans are largely benthic marine species. They have multi chambered calcareous tests or shells with numerous pores, hence the name foramini
Q. What is the basic Role of Botanic Garden? A botanic garden makes us to simply enjoy the beauty and variety of nature. The pleasure of admiring turns us into good naturalists
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Biota of Littoral Zone This zone is the shore region of the marine ecosystems and is subject to violence of waves and tides, fluctuation of water level and variability of temp
How are the concepts of chromosome, chromatin and chromatids related? In which phase of the cell cycle does DNA duplicate? Chromatin is a set of filamentous DNA molecules dispe
Pericardial Valves: Carpentier Edwards (Perimount Valve) : Pericardium preserved in gluteraldehyde and mounted on flexible stent is available for mitral and aortic positions
Define Future challenges for scaling from individual to ecosystems? Scaling of biogeochemical fluxes in terrestrial systems has confirmed much harder. While ecosystem ecologist
Q. How mineral salts participate in enzymatic activity? Many mineral salts are cofactors of enzymes that are the substances without which enzymes do not work.
Q. Indicating the name and respective ploidy of each involved cell how can the formation of sperm cells from germ cells be described? The formation of spermatogenesis or sperm
Q. Requirements of various nutrients in constipation? The requirements of various nutrients are not altered in constipation. It is essentially a normal balanced diet (normal RD
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