MDCAT Biology MCQ #863

During the synthesis of cholesterol in the human body, four carbon rings are fused together. How many of these rings are six-membered?

MDCAT Biology MCQ #863

  1. Question 1

    Q1. During the synthesis of cholesterol in the human body, four carbon rings are fused together. How many of these rings are six-membered?

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

    Answer: Three

    Explanation: Steroids like cholesterol consist of three six-membered rings and one five-membered ring. Four six-membered rings would not match the steroid nucleus.