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  • Which of the following factors renders ptyalin inactive in the stomach?Option: 1  Acidic conditions caused by the HCl

Which of the following factors renders ptyalin inactive in the stomach?

Option: 1

 Acidic conditions caused by the HCl enzyme.


Option: 2

The presence of the Renin enzyme


Option: 3

The presence of the Pepsin enzyme


Option: 4

None of these factors affect ptyalin's activity in the stomach


Answers (1)

best_answer

Ptyalin, also known as salivary amylase, is an enzyme present in the saliva that begins the process of starch digestion in the mouth. However, its activity is significantly reduced in the acidic environment of the stomach, primarily due to the presence of hydrochloric acid. The acid denatures and inactivates ptyalin, making it unable to effectively break down starch into simpler sugars. Hence, the correct answer is option 1.

Posted by

Divya Prakash Singh

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