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Explain brownian movement
When you view a sol through an ultra microscope, you will observe that colloidal particles appear to be in a state of rapid and irregular motion called the brownian movement. You may recall reading about the Brownian movement earlier under the properties of colloids. The movement is caused by the constant bombardment of the dispersed particles by the molecules of the dispersion medium. The smaller the size of the colloidal particles, the more vigorous is its Brownian motion.
Theory of Germplasm (i) 'August Weismann' (1889) suggested the theory of continuity of germplasm. (ii) He referred to the reproductive cells as germplasm and
What are the different patterns of cleavage (segmentation of fertilized egg cell)?
Polysaccharides and Oligosaccharides are both parts of carbohydrate molecules, but they vary in complexity and size. The Oligosaccharides are much easier and smaller, according to
Adverse effects of Enfuvirtide Almost all patients make local injection site reactions to enfuvirtide, usually having of mild or moderate pain, erythema, induration, nodules an
Q. Show the Regulation of blood pressure? Nervous System control of BP Maintains primarily an adequate systemic BP, and alters blood distribution in body to meet specific fu
a) What is symbiotic nitrogen fixation? b) Name the two protein components required for this process. Define their role.
supernatentmeans what
Eubiont The origin of true life , eubiont from a pmtobiont involves the acquisition of three major features: 1) assembly of phospholipids and proteins into a cell membrane f
Spring overturn - Overturn In spring and early summer season the increased solar radiation melts the ice cover, which, as it attains a temperature of 4° Celsius, becomes dense
Q. What are the morphological differences and similarities between nematodes and annelids? Nematodes, like annelids, have a cylindrical elongated body. Annelids differentiate f
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