Pepsinogen is converted into active pepsin by:
AHydrochloric acid
BHydrogen peroxide
CHydrated alcohol
DHyaluronic acid
Answer & Solution
Correct answer: A. Hydrochloric acid
1. An acidic environment is needed for the change.
2. The stomach supplies that acid.
3. So hydrochloric acid converts it.
_Source: OpenStax Anatomy and Physiology 2e, Chapter 23, The Digestive System._
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