The enzymes functions are optimum at:
Correct answer: D. All the above
- A. Specific Temperature
- B. Specific pH
- C. Specific Co-enzyme
- D. All the above
Explanation
The correct answer is 'All the above' because enzymes require specific conditions to function at their best. Each enzyme has an optimum temperature and pH that maximizes its activity. Additionally, certain enzymes depend on co-enzymes to facilitate their biochemical reactions. The other options, while individually important, do not capture the full range of factors that contribute to optimal enzyme function.
This question appeared on the ETEA MDCAT 2014 paper, which you can sit online with every answer explained.
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About Factors Affecting Enzyme Action
Enzyme activity changes with temperature, pH, substrate concentration and enzyme concentration because these factors affect molecular collisions and the active site. Questions also examine optimum conditions, denaturation and inhibition, while distinguishing a fall in activity caused by unsuitable conditions from permanent enzyme damage.
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