Hydrochloric acid (HCl) in the stomach creates an acidic environment (pH ~1.5–3.5), which is essential for converting inactive pepsinogen into active pepsin, the enzyme responsible for protein digestion. Pepsin can also activate more pepsinogen once formed, but the initial activation is triggered by HCl.
Pepsinogen is converted into stomach in?
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Question context
This question is part of 🧬 Biochemistry within the broader 🧬 Medical Science subject and appears in the PPSC Punjab Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.