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Biology, 19.12.2019 04:31 XTREME3336

As food travels through the digestive system it is exposed to a variety of ph levels. the stomach has a ph of 2 due to the presence of hydrochloride acid and the smallest intestine has a ph ranging from 7 to 9. hci converts pepsinogen into pepsin an enzyme that digests proteins in the stomach. which of the following most likely happens to pepsin as it enters the small intestine.
the pepsin begins to replicate
the pepsin’s activity increases to digest more proteins
the pepsin becomes inactive
the pepsin’s shape changes to engulf large proteins

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