RNA digestion occurs primarily in the small intestine through the action of enzymes produced by both the pancreas and the small intestine itself.
The Process of RNA Digestion
Here's a breakdown of the RNA digestion process:
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Entry into the Small Intestine: Nucleic acids, including RNA, from dietary sources enter the small intestine.
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Pancreatic Enzymes: The pancreas secretes enzymes called ribonucleases (RNases) into the small intestine. These enzymes specifically target and break down RNA molecules into smaller nucleic acids.
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Intestinal Enzymes: The cells lining the small intestine also produce enzymes that further degrade these smaller nucleic acids into nucleosides and phosphate.
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Absorption: Finally, the nucleosides are broken down into nitrogenous bases, sugars, and phosphate, which are then absorbed into the bloodstream.
In summary, RNA digestion is a two-step enzymatic process: initial breakdown by pancreatic ribonucleases followed by further degradation and absorption facilitated by enzymes and processes within the small intestine.
