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Enzyme-activity Control
Availability of the substrate, NADH and nitrate would be an important determinant of the rate of nitrate assimilation. In addition, there are number of substances which are known to cause reversible inactivation of nitrate reductase under reducing condition (figure)
Figure: regulation of assimilatory nitrate reductase (NR), reversible inactivation of NR by combination with hydroxylamine, cyanide, or superoxide and reversal of this inactivation by blue light in the presence of flavin; inactivation by combination with specific binding proteins or by limited proteoiysis. Enzyme synthesis is regulated by positive effector-nitrate, plastidic factor, light and negative effectors derived from ammonia.
What is the structure that maintains identical chromatids bound? Ans) The structure that handles identical chromatids bound is the centromere.
Why plant nutrients said to be essential An element is said to be essential if, (i) The deficiency of an element in plant, makes it impossible to complete the vegetative
State in brief about the alexander Luria Luria adopted or developed these items over the course of many years, Christensen published them in English but without standardisatio
Q. What are some representatives of the echinoderm phylum? Starfishes, sea urchins, sea cucumbers (holothurians) and brittle stars are examples of echinoderms.
what is mitosis and meiosis? what do they do?
Your final assignment is to write an (~2000 words) on any drug that is currently approved by the FDA, describing how the drug works based on the mechanisms of human biology describ
Question 1 Explain pharmacokinetic parameters observed in plasma concentration time curve Question 2 What is Gas Chromatography? Mention the quantitative applications of gas
Q. What is the function of the secretions of the seminal vesicle, prostate and bulbourethral glands in reproduction? These secretions along with sperm cells from the testicles
Simple sugars are monosaccharides consisting of a single polyhydroxy aldehyde or ketone unit. Their general formula is (CH 2 0) n (n=3 to 7).
What is Cyanobacteria or Blue-green bacteria? Blue-green bacteria, or cyanobacteria, used to be classified as blue-green algae within the Plant Kingdom, primarily because they
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