If the pH of a solution changes slightly, there is a _.
Correct answer: D. All of these options are correct
- A. Change in the ionization of the active site of enzyme
- B. Change in the ionization of substrate
- C. Retardation or blockage of enzyme activity
- D. All of these options are correct
Explanation
All of these options are correct: If the pH of a solution changes slightly, it can result in a change in the ionization of the active site of an enzyme, the ionization of the substrate, and the retardation or blockage of enzyme activity.
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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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