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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.
Cap site Two usages are given below: 1] In eukaryotes, the cap site is position in the gene at which transcription begins, and really should be called the "transcription initia
how much classification of protozoa
All of the electron carrier in the electron transport chain interact according to their redox potentials. Every time whereas an electron transfers occurs, the accepting carrier ha
Minerals Minerals are chemical elements needed by the body either to help form bodily structures or to facilitate chemical reactions. Dietary minerals are divided into two categ
What is the Importance of biotin Biotin is involved in a number of important metabolic reactions, probably as coenzymes. Deficiency symptoms are manifest as degenerative cha
Precautions for determination of iodine number of lipids? 1. If using the pipette for transferring the oil, allow the pipette to drain slowly and completely, as oil takes time
what is the fertilization?
Explain the Oligosaccharides (DP: 3-9) - carbohydrates? Oligosaccharides consists of short chains of monosaccharide units joined by covalent bonds. The glycosidic bond may be α
What do you determine by Mantle? A thin sheetlike membranous extension of visceral mass of molluscs which forms two flaps of skin. Mantle secretes the shell on the dorsal side
What is Risk scoring ? Risk scoring is an instrument to assess both the relative risk as well as the absolute risk of developing Cardio-vascular disease and mortality in an ind
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