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Define Adsorption chromatography - Basic Separation Technique?
Adsorption is surface interaction and is by number of forces, between surface atoms of solids and molecules of external solute. Adsorption chromatography comprises of systems where active absorption occurs at the surface of the solid stationary medium, often alumina or silica gel. Competition for adsorptive sites occurs between the molecules of the mixture to be separated and the molecules of mobile phase, be it gas or liquid.
The speed of migration of a component will depend on its adsorptive affinity relative to the other species present. A number of attractive forces (Vander Waal forces, hydrogen bonding etc.) between the stationary phase and substances to be separated have been recognized and separation takes place due to differences in these adsorption forces.
Explain about the plateau effect - Energy Balance? You must have noticed that when people start following weight reducing diets, they lose weight rapidly in the beginning, then
Effect of Environmental Factors some lower organisms, though the genetic determiners of the sexes are present, the ambient environment plays a decisive role in the development
An organism having the genotype AaBbCcDdEe is self-fertilized. What are the proportions of gametes that are expected to carry only dominant alleles?
Advantages of mucoperiosteal flap There is no tissue loss It is advantageous in cases where there is deficiency of keratinized tissue and the soft tissue is not lost, but ma
PINEAL GLAND (EPIPHYSIS CEREBRI) - It develops from the ectoderm of the embryo. The pineal gland is located between the cerebral hemispheres, where it protrudes from the
Q. What is connective tissue proper? The name connective tissue proper is used to designate the connective tissue that fills interstitial spaces as opposed to the specialized c
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Name two possible why the number of live bacteria cell have reached the stationary growth by 60hrs and start to die off after 12hrs?
THE DENVER DEVELOPMENT SCREENING TEST (DDST) The Denver Development Screening Test is a standardized test to assess gross motor, fine motor, language and social development
Oogenesis The process of formation of ova in the ovary is called as oogenesis. The germ cells are found in the form of germinal epthelium around the ovary.These cells are d
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