gneet

Study Companion

For more NEET and AIIMS mcq on Digestion and absorption Visit www.gneet.com
QUESTION
Q493) Ptyalin is inactivated by a component of gastric juice called ...[Har PMT 2003 ]

Try again


Correct


Try again


Try again

Ptyalin is inactivated by a component of gastric juice known as HCl. Ptyalin is an enzyme and it is made up of protein. When it enters the stomach, the HCl in the stomach denatures the protein and as a result of that ptyalin becomes inactive and the activity stops in it.
Answer : (b)