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Determination of Nicotinic acid
The chemical methods of assay are based on colour reactions of pyridine. Nicotinic acid and nicotinamide are converted by cyanogen bromide into a derivative of the glutacone aldehyde, which is condensed with aromatic amines to form polymethine dyes (yellow colouring reactions).
The microbiological assay involves the titrimetric determination of lactic acid produced by Lactobacillus arabinosus ATCC 8014.
There are 3 types of DNA sequences. Genomic DNA comes from the genome and haves both genes and extragenic material. cDNA is reverse transcribed from mRNA and corresponds only
Explain some important phospholipids The chemical structure of phosphatidylcholine (lecithin) illustrated here in Figure is typical of the phosphatides found in the brai
describe five features of chromosomes used in cytogenetic analysis?
Are nematodes exclusively parasites? There are parasitic roundworms, containing parasites of plants, but there are also free-living nematodes.
Define Nutritional Requirements for Extreme Environments? Human beings have been able to survive and work under extreme environments of almost all regions of the earth, from po
Explain the Evolution of the Vascular Plant Body? Vascular Plant anatomy reflects adaptation to life on land. In an aquatic environment, the photosynthetic surfaces are support
"Diversity is good" is one of the axioms of conservation biology. However in absentia of historical information, why is noting higher diversity in a system NOT the best way to eval
Radiolarians - Protozoan Radiolarians are entirely marine planktonic species with spherical bodies and radiating pseudopodia known as axopods. The spherical body is divided in
B l ac k q u ar t e r The disease is otherwise known as black leg or emphysematous gangrene, and it is associated with severe toxaemia, emphysematous swelling of muscl
Why do you think the mitochondria contain their own DNA (circular) and have a double membrane?
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