Q.

Given below are two statements.

Statement-I: High temperature preserves the enzyme in a temporarily inactive state whereas low temperature destroys enzymatic activity 

Statement-II: When the inhibitor closely resembles the substrate in it’s molecular formula and inhibits the activity of enzyme,it is called competitive inhibitor

In light of the above statements, choose the correct answer from the options given below.

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a

Statement I is false but Statement II is true

b

Both Statement I and Statement II are false.

c

Statement I is true but Statement II is false

d

Both Statement I and Statement II are true

answer is C.

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Detailed Solution

High temperature destroy the enzyme tertiary structure thus making it denatured permanently  whereas low temperature temporarily makes  enzymatic activity inactive.

When the inhibitor closely resembles the substrate in it’s molecular structure ,it  inhibits the activity of enzyme,it is called competitive inhibitor

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