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#Question id: 2100


Cholesterol, bile acids, ergosterol, and stigmasterol share all the following common structural features except

#XL - S Microbiology
  1. a four-ring structure.

  2. a hydroxyl group on first ring.

  3. a carboxylic acid group.

  4. a multiple carbon chain extending off the ring structure.


Answer:- Option(s): 3


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