Which of the following pH values is the best for the action of the enzymes – renin and pepsin in the
stomach?
-
pH2
- pH7
- pH8
- pH9
The correct answer is: A
Explanation
The suitable pH value for both renin and pepsin in the stomach is highly acidic, typically between 1.5 and 2.5; meaning they function best in a very low pH environment due to the stomach's production of hydrochloric acid. Since, pH 2 falls within that range, therefore option A is the correct answer.