The normal brown red color of feces results from the presence of_______________?
Correct answer: C. Stercobilin
- A. Heme
- B. Biliverdin
- C. Stercobilin
- D. Bilirubin diglucuronide
Explanation
Intestinal bacteria convert bilirubin derivatives into stercobilin, the pigment responsible for the normal brown colour of stool. Biliverdin is green, while bilirubin is mainly present earlier in bile metabolism.
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