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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.
Calculate the Concentration of Unknown Solution from Standard Curve? i) First take different volume of standard solution (say 0.2, 0.4, 0.6, 0.8, 1.0 ml) and then calculate the
In an adult male, which of the following is true? A. The plasma membranes of Leydig cells contain LH receptors. B. The plasma membranes of Sertoli cells contain FSH receptor
Which two gases are exchanged when living organisms breathe? Oxygen and carbon dioxide are the gases exchanged when living organisms breathe.
Calvin cycle (the aka Calvin-Benson Cycle or the Carbon Fixation) is the series of biochemical, enzyme-mediated reactions during which the atmospheric carbon dioxide is reduced an
Energy from water or hydropower Hydroelectricity is the energy produce from the kinetic energy of water falling from height. Approximately 25% of world electricity
Demographic Transition As we saw earlier, death rates and birth rates have been nearly equal throughout much of human history. However, in Western Europe, death rates began to
Q. What is the DNA vaccine? The DNA vaccination or is a vaccination technology based on genetic engineering. In DNA vaccine a recombinant plasmid (vector) containing the gene o
WHAT IS THERE BETWEEN THE TRACHEA OF COCKROACH AND RABBIT
State the Definition of Temperature Temperature may be defined as degree or amount of body heat. It is the balance between heat produced and heat lost by the body. It is meas
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
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