Question

multiple choice question
the microbial metabolism of ______ produces short-chain fatty acids that can be used as fuel by the cells that line the large intestine.
○ cholesterol
○ dietary fiber
○ fat-soluble vitamins
○ amino acids
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Explanation:

Gut microbiota ferment undigested dietary fiber in the large intestine, producing short-chain fatty acids (like butyrate, propionate, acetate) that serve as an energy source for the colon's epithelial cells. Cholesterol, fat-soluble vitamins, and amino acids do not undergo this microbial metabolism to produce these fatty acids for intestinal cell fuel.

Answer:

C. dietary fiber