amylase in the mouth pepsin in the stomach lipase in the small intestine trypsin in the small intestine
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Which enzyme acts first in response to the ingestion of a hamburger patty?
Possibilities:
- amylase in the mouth
- pepsin in the stomach
- lipase in the small intestine
- trypsin in the small intestine

pepsin in the stomach