MDCAT Biology MCQ #994

If a steroid molecule like cholesterol is analyzed, how many carbon rings are fused together to form its characteristic nucleus?

MDCAT Biology MCQ #994

  1. Question 1

    Q1. If a steroid molecule like cholesterol is analyzed, how many carbon rings are fused together to form its characteristic nucleus?

    • A) Two
    • B) Three
    • C) Four
    • D) Five

    Answer: Four

    Explanation: Steroids contain four fused rings; three is tempting because three rings are six-membered while the fourth is five-membered.