Ptyalin cannot work in stomach, because it is: – McqOptions

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1.	Ptyalin cannot work in stomach, because it is:
A.	Inactivated by pepsin.
B.	Inactivated by HCI.
C.	Carbohydrate - digesting enzyme.
D.	Inactivated by rennin.
Answer» C. Carbohydrate - digesting enzyme.

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