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Effect of Temperature
Certain plants such as the winter rye (Secale cereale) and the biennial strain of henbane (Hyoscyamus Niger) require exposure to low temperature conditions before they start flowering. A phenomenon known as 'vernalization' or 'Yaronization' was noted by the Russian Plant physiologist Gustav Gussner in 1915. Here also embryo or shoot apex seems to be the site of perception and the role of a hormone 'Vernalin" is suggested. Unfortunately like florigen, vernalin has been still elusive. Gibberellin treatment is known to substitute for cold treatment.
How to prevent or overcome this nutritional deficiency? A large number of government schemes and programmes have been launched about which we have already studied in the Publi
Messenger RNA (mRNA) are the proteins are not synthesized directly from the genomic DNA. Insteadof that an RNA template (a precursor mRNA) is constructed from the sequence of gene
Protein denaturizing can be source by temperature variation, pH change, and changes in the concentration of surrounding solutes and by other processes. Most proteins are denatured
A knotted network of capillaries within a nephron, the glomerulus, receives arterial blood and is porous enough to allow much of the fluid portion of the blood to flow out of it al
Explain the work of Linnaeus in animal Taxonomy? In 18th century, the work of Linnaeus and his followers (Haartman, 1751, 1764, Kolreuter, 1761-66) helped systematic to advance
What is the probability of two individuals (AaBBccDd and aaBbCcDd) having a child with the following genotype AaBBCcDD?
Vegetative Development - Differentiation It is referred to as qualitative changes that lead to increased specialisation. For example, the formation of cells and tissues of roo
Why is rubella during gestation a threat to the fetus? If occurring during gestation rubella is a dangerous disease due to the virus crosses the placenta and contaminates the f
amphibia class characteristics
Explain the Eukaryotic Gene Expression ? Eukaryotic cells regulate the transcription of individual genes, large parts of chromosomes, or even entire chromosomes. Gene expressi
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