Question:
Rennin is produced from --
Rennin is produced from --
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Pay close attention to spelling:
- Rennin (double 'n') = Stomach enzyme (chymosin) for milk coagulation.
- Renin (single 'n') = Kidney hormone for blood pressure control.
- Rennin (double 'n') = Stomach enzyme (chymosin) for milk coagulation.
- Renin (single 'n') = Kidney hormone for blood pressure control.
Updated On: Jul 6, 2026
- Stomach
- Kidney
- Skeletal muscle
- Liver
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The Correct Option is A
Solution and Explanation
Step 1: Understanding the Concept:
Enzymes involved in digestion are secreted by specific organs of the gastrointestinal tract to break down nutrients.
Step 2: Detailed Explanation:
- Rennin (A): Also known as chymosin, is an aspartic endopeptidase proteolytic enzyme synthesized by chief cells in the abomasum (the fourth stomach compartment) of newborn ruminants. Its function is to curdle milk by coagulating casein, slowing its passage through the digestive tract to allow better absorption.
- Renin (B): Spelled with a single "n", is an aspartic protease secreted by the juxtaglomerular cells of the kidneys that plays a key role in the renin-angiotensin-aldosterone system (RAAS) to regulate blood pressure.
Hence, the digestive enzyme rennin is produced in the stomach.
Step 3: Final Answer:
Rennin is produced from the stomach, corresponding to option (A).
Enzymes involved in digestion are secreted by specific organs of the gastrointestinal tract to break down nutrients.
Step 2: Detailed Explanation:
- Rennin (A): Also known as chymosin, is an aspartic endopeptidase proteolytic enzyme synthesized by chief cells in the abomasum (the fourth stomach compartment) of newborn ruminants. Its function is to curdle milk by coagulating casein, slowing its passage through the digestive tract to allow better absorption.
- Renin (B): Spelled with a single "n", is an aspartic protease secreted by the juxtaglomerular cells of the kidneys that plays a key role in the renin-angiotensin-aldosterone system (RAAS) to regulate blood pressure.
Hence, the digestive enzyme rennin is produced in the stomach.
Step 3: Final Answer:
Rennin is produced from the stomach, corresponding to option (A).
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