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  • Tell me? Which one of the following statements is incorrect about enzyme catalysis?

Which one of the following statements is incorrect about enzyme catalysis?

  • Option 1)

    Enzymes are mostly proteinous in nature.

  • Option 2)

    Enzyme action is specific.

  • Option 3)

    Enzymes are denaturated by ultraviolet rays and at high temperature.

  • Option 4)

    Enzymes are least reactive at optimum temperature.

 

Answers (1)

 

Enzymes -

These are biological catalysts that enhances the rate of reaction by lowering the activation energy.

- wherein

Eg. Maltose amylase, carbonic anhydrase,etc.

 

 

Lock and key hypothesis of enzyme action -

Enzymes molecules act like a lock whereas substrate acts like a key . Substrate fits in the active site of the enzyme and forms a complex which decompose to yield products

- wherein

 

Enzymes are most reactive at optimum temperature.


Option 1)

Enzymes are mostly proteinous in nature.

Incorrect

Option 2)

Enzyme action is specific.

Incorrect

Option 3)

Enzymes are denaturated by ultraviolet rays and at high temperature.

Incorrect

Option 4)

Enzymes are least reactive at optimum temperature.

Correct

Posted by

Vakul

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