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The substrate has to diffuse towards the...

The substrate has to diffuse towards the 'active site.'. There is thus, an ____formation of a 'ES' complex.

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During the state where substrate is bound to the enzyme active site, a new structure of the substrate called_____structure is formed.

Formation of Enzyme substrate complex (ES) is the first step in the catalysed reactions. Describe the other steps till the formation of product.

Nucleophilic aliphatic substitution reaction is mainly of two types: S_(N)1 and S_(N)2 . The S_(N)1 mechanism is a two step process. Reaction velocity of S_(N)1 reaction depends only on the concentration of the substrate. Since product formation takes place by the formation of carbocation, optically active substrate gives (+) and (-) forms of the product. In most of the cases the product usually consits of 5-20% inverted product and 80-95% racemised species. The more stable the carbocation, the greater is the proportion of racemisation. In solvolysis reaction, the more nucleophilic the solvent, the greater is the proportion of inversion. For the gives reaction, Which substrate will give maximum racemisation?

Nucleophilic aliphatic substitution reaction is mainly of two types: S_(N)1 and S_(N)2 . The S_(N)1 mechanism is a two step process. Reaction velocity of S_(N)1 reaction depends only on the concentration of the substrate. Since product formation takes place by the formation of carbocation, optically active substrate gives (+) and (-) forms of the product. In most of the cases the product usually consists of 5-20% inverted product and 80-95% racemised species. The more stable the carbocation, the greater is the proportion of racemisation. In solvolysis reaction, the more nucleophilic the solvent, the greater is the proportion of inversion. Which one of the following compound will give S_(N)1 reaction predominantly?

An active site of an enzyme is a____into which of the substrate fits.

What is true about Bt toxin ? (A) Bt protein exists as active toxin in the Bacillus. (B) The activated toxin enters the ovaries of the pest to sterilize it and thus prevent its multiplication. (C) The concerned Bacillus has antitoxins. (D) The inactive protoxin gets converted into active form in the insect gut.

ALLEN -BIOMOLECULES-Question
  1. An active site of an enzyme is ainto which of the substrate fits.

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  2. Inorganic catalysts work efficiently at ,while enzymes get damaged at

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  3. is thus an important quality of those enzymes which isolated from ther...

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  4. The substrate has to diffuse towards the 'active site.'. There is thus...

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  5. Inhibition of succinic dehydrogenase by malonate which closely resembl...

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  6. Prosthetic groups are compound and are distinguished from other cofact...

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  7. High temperature destroys enzymatic activity because proteins are by h...

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  8. When the inhibitor closely resembles the substrate in its molecular st...

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  9. Enzymes catalysing the linking together of two compounds are known as ...

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  10. Haem is the prosthetic group inand,which catalyse the breakdown of hyd...

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  11. Each enzymes shows the highest activity at a particular temperature an...

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  12. During the state where substrate is bound to the enzyme active site, a...

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  13. Enzymes eventually bringthe activation energy barrier making the trans...

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  14. Co-factor play a crucial role in the catalytic activity of the enzyme.

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  15. Co-enzymes are organic compounds but their association with the apoenz...

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  16. Zinc is a cofactor for the proteolytic enzyme carboxypeptidase.

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  17. The power of enzymes is incredible indeed.

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  18. In our skeletal muscle under aerobic conditions lactic acid is formed.

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  19. Here A present?

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  20. Find A & B

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