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Chemotaxis - Modes of Cell Movement
Chemotaxis considers to me directed movement of cells in response to a concentration gradient of a chemical factor in solution. An instance of chemotaxis during morphogenesis of the embryo is the migration of embryonic lymphocytes from bone marrow to embryonic thymus. The compound accountable for the directed movement of cells is shown to be a heat-stable peptide with a molecular weight of 1000 to 4000 daltons. The peptide is almost certainly produced by the thymus. The gradient of the peptide would be highest in the thymus towards that the cells move.
A plant with red flowers is crossed with a white-flowered plant of the similar species. All the seeds, when grown, produce plants with red flowers. Assuming that the flower colour
Reaction of the futile cycle:- A) An adequate level of cAMP stimulates formation of the inactive 'D' form of glycogen synthase and the active form of phosphorylase. Thu
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 the merits of the closed circulatory system over the open circulatory system? The closed circulatory system is more resourceful since blood circulates only inside b
State about the Halsted Reitan battery The Halsted Reitan battery, as the procedure came to be known over the years, also has a history. It has been described as a fixed batter
Oxaloacetate to Malate Oxaloacetate to Malate: Oxaloacetate cannot permeate mitochondria 1 membrane well and it must be transported across the membrane in the form of malate
what are the phase of alpha taxonomy?
Haemoglobin Among the respiratory pigments we shall consider haemoglobin in some detail as this is the most familiar, widespread as well as the most efficient respiratory pigm
Q. What is the carbon cycle? The carbon cycle represents the recycling and circulation of the chemical element carbon in nature as a result of the action of living beings. T
Q. Chemical Agents Available for Sterilization? Chemical Agents: these include the following: Alcohols: ethyl alcohol, isopropyl alcohol, trichlorobutanol Aldehydes: f
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