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Fischer 's template or lock and key model
According to this model, the catalytic site of the enzyme has a proper conformation compatible to a specific substrate even in the absence of the substrate molecule. The catalytic site binds the substrate and catalyzes the reaction without any change in its own three dimensional conformation. It has become possible to explain the specificity of many enzymes for only one of the stereoisomers of the substrate by this model.
STRUCTURE Each chromosome composed of two interwoven (coiled) threads called Chromonema (Chromonemata) embeded in a matrix of semisolid protein. Surface of matrix is in
Define the Role of Thiamin in the conversion carbohydrate to fats? Thiamin helps in the initial steps of fatty acid and sterol production. In this way, thiamin also helps co
what is respiration
Q. Modern infection control recommendations? Concern about transmission of disease has been expressed for thousand of years. Written guidelines for "disease control" are found
Degree of dispersion of protein solution is decreased. It is decreased because of certain reasons:- Association: refers to changes occuring at subunit or molecular leve
D-glucose differs from D-galactose only in the arrangement around carbon 4. Therefore D-glucose and D-galactose are- Select one: a. enantiomers b. epimers c. mirror ima
Q. What are the major purposes of the organic molecules for living beings? Ans. Organic molecules, like, lipids, carbohydrates and proteins perform several functions for
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Q. How is the nervous tissue distributed in cnidarians? Their nervous system is diffuse there are no ganglia or brain. Q. What are the kinds of reproduction presented by cn
Anther Dehiscence and Pollen Transfer Anther Dehiscence Anther dehiscence simply means the release of pollen grains from dry and mature anthers. It involves the rupturi
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