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  • Which of the following is the best evidence for lock and key theory of enzyme reaction? Option: 1 Compunds similar in structure to the sustrate

Which of the following is the best evidence for lock and key theory of enzyme reaction? 

Option: 1

Compunds similar in structure to the sustrate inhibit enzyme activity


Option: 2

Enzymes are formed in living organisms and speed up certain reactions.


Option: 3

Enzymes speed up reactions by definite amounts.


Option: 4

Enzymes determine the direction of reaction.


Answers (1)

best_answer

As we have learnt,

 

Catalytic action of Enzymes -

 

1. Substrates bind to the active sites of the enzyme where interaction between them is based on hydrogen bonding, ionic interactions or van der waals forces.

2. Enzymes provide functional groups that will attack the substrate and carry out chemical reaction.

- wherein

 

 When substrate & enzymes have nearly same structure then they bind through lock and key theory.

 

Posted by

himanshu.meshram

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