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Define Partition chromatography - basic separation technique?
It is a technique in which separation is achieved as a consequence of the relative solubility of a substance in the two phases i.e. stationary and mobile. This applies to systems where the stationary phase is a liquid and the mobile- phase a liquid or a gas. In partition methods, the stationary liquid phase, which is frequently water, is held in a column or sheet by an inert support.
Nuclear endosperm in angiosperm.
Define Stolon - Types of Hyphae? Microscopically, hyphae are aseptate and coenocytic. There are 3 kinds of hyphae: (a) Stolon - These grow horizontally on substratum surfa
Darwin while evolving the concept of natural selection laid emphasis on competition among individuals belonging to a species, that is intraspecific competition. Here the individual
Explain the Birth in human biology? In humans, birth of the infant occurs about 270 days after conception. The period during which the uterus contracts to expel the newborn
Which of the following contributes to the degeneracy of the genetic code? A. The presence of 64 codons but only 20 amino acids. B. The ability of a single tRNA to bind to ma
Define Absorption, Storage and Elimination of Riboflavin? Riboflavin is absorbed from the small intestine through the portal vein and is passed to all tissues via general circu
1. Andalusian chickens may be either black, white, or gray. The gene for black is not dominant over the gene for white, nor is the gene for white dominant over the gene for black.
Explain Endonucleases Endonucleases are nucleases present in the pancreatic juice like RNAase andDNAase. These hydrolyze internal phosphodiester bonds which are located m
What are the androecium and the gynoecium? What are the other structures of flowers? Androecium is the set of male reproductive structures of flowers. It comprehends the stamen
Ecosystem Control Another important aspect of ecosystem functioning that is how it maintains its ecological balance. By now, it must be obvious to you that an ecosystem is a d
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