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Given below are two statements:
Statement I: Low temperature preserves the enzyme in a temporarily inactive state whereas high temperature destroyes enzymatic activity because proteins are denatured by heat.
Statement II: When the inhibitor closely resembles the substrate in its molecular structure and inhibits the activity of the enzyme, it is known as competitive inhibitor.
In the light of above statements, choose the correct answer from the options given below:
Both statement I and statement II are true.
Both statement I and statement II are false.
statement I is true but statement II is false.
Statement I is false but statement II is true.
Answers (1)
The correct answer is Option 1) Both statement I and statement II are true.
Statement I is true. Low temperatures can slow down or preserve enzymatic activity by reducing the rate of reactions. However, high temperatures can denature proteins, including enzymes, leading to a loss of enzymatic activity.
Statement II is also true. Competitive inhibition occurs when an inhibitor molecule closely resembles the substrate and competes with the substrate for binding to the active site of the enzyme. The inhibitor effectively "competes" with the substrate for the enzyme's active site, thereby reducing the enzyme's activity.
Therefore, both statement I and statement II are true, and Option 1 is the correct answer.
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