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Define Lipids - Tests for Presence of Exoenzymatic Activity?
Lipids are also high molecular weight compounds. Enzyme lipases (esterases) cleaves the ester bond to form glycerol and fatty acids. Once assimilated inside the cell, these are further metabolized to produce cellular energy ATP and other cellular protoplasmic macromolecules. Presence of exoenzymatic activity for lipid hydrolysis can be demonstrated by using tributyrin agar, an opaque medium formed due to emulsion formation by tributyrin in agar medium. Lipolysis is shown by a clear zone of hydrolysis surrounding the growth. In the absence of lipolytic enzymes, the medium retains its opacity. It represents a negative reaction.
The extracellular surface of the plasma membrane is frequently covered with a protective coat of carbohydrate. A Sugar residue of this carbohydrate coat can be
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Marek's disease Marek's disease is a lymphoproliferative disease of chicken, quails, bantams and other free-flying birds. It is caused by the Gallid Herpesvirus 2 of subfamily
Select all of the correct/true answers. The rate of mutation of a given species can be predicted. Mutations are a source of new alleles and contribute to the biodiversity present o
Is it correct to consider water decomposition by the action of light the basis of the photosynthesis process? Besides ADP photophosphorylation, photic energy is also responsibl
Define briefly about the Selenium? The element selenium was discovered in 1817 in association with the element sulphur. However, selenium as an essential nutrient remained unre
It is IgE mediated hypersensitivity. Typical manifestations contain asthma, food allergies, eczema, hay fever etc.
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Characteristics of River Systems The basic function of the rivers is to convey surplus rain water from land to sea. Annually the rivers carry fresh water, equivalent to 25 cm
Tissue Culture It is an important technique for maintaining a'pm or piece of animal or plant tissue alive after their culture dishes. It is necessary to provide an environment
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