Enzymes lower the activation energy by stabilizing the transition state of a metabolic reaction due to?
Correct answer: A. Changing conditions within the active site
- A. Changing conditions within the active site
- B. Changing conditions within the protein framework
- C. Rearranging the fatty acids in active site
- D. Distorting the molecules in the allosteric site
Explanation
Enzymes lower the activation energy by changing conditions within the active site. The active site of an enzyme is the specific region where the substrate binds and the catalytic reaction takes place. Enzymes can alter the local environment within the active site to create optimal conditions for the reaction to occur. This may involve providing specific chemical groups or ions, adjusting pH or temperature, or creating a suitable 3D arrangement of the substrate molecules. By modifying these conditions, enzymes stabilize the transition state of the reaction, making it easier for the reaction to proceed.
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About Enzymes
Enzymes are biological catalysts that lower activation energy without being consumed, and their specificity is explained by the lock and key and induced fit models. Work includes the effects of temperature, pH and substrate concentration on reaction rate, plus competitive and non-competitive inhibition and how these differ.
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633 free Enzymes MCQs from Biology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
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