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Define Descending type of paper chromatography?
In descending chromatography, the movement or flow of mobile phase is in downward direction. In this technique the solvent is kept in a trough at the top of chamber and then allowed to flow down the paper. The movement of the liquid is caused by capillary action, as well as, by gravitational pull.
The rate of flow of mobile phase is more rapid in this case as compared to that in ascending development. The basic material of the paper use for chromatography is a cellulose of high purity, which is present in 98.99 %. This paper is composed of randomly directed cellulose fibers. The cellulose itself is a network of long chains of carbohydrate with molecular weight of more than 1,00,000 possessing hydrophilic.
Assume that a dihybrid cross (AaBb X AaBb) is made in which the gene loci are autosomal, independently assorting, and incompletely dominant. What phenotypic ratio would you expect
reproduction
Dendrology : This is the study of all kinds of trees. Dendrology we can also say it xylology it is the science or study of wooded plants like trees, shrubs, and lianas. There is no
What is Gingival Inflammation Areas of overt inflammation should be identified and the etiology investigated to initiate proper treatment.
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Define Determinants of Food Security - Public Nutrition? We learnt above that there is also a qualitative aspect to food security, which compels the perception of food not only
State the term - structural abnormality and unique behavioural The link between structural abnormality and unique behavioural aberration has become clearer as technological adv
A leaf is detached from a tree and tested with iodine. The leaf turns dark blue. (a) What does this result tell you? (b) Why is this result not sufficient e
Explain the Uses of ISP in meat products Meat products The main application of ISP in connection with meat and related products is based on the use of texturized ISP, in
Q. How does phosphocreatine act in the muscle relaxation and contraction? Phosphocreatine is the major means of energy storage of the muscle cells. During relaxed periods AT
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