MCAT Biochemistry Question 72: Answer and Explanation
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Question: 72
12. Which of the following statements about terpenes is FALSE?
- A. Terpenes are strongly scented molecules that sometimes serve protective functions.
- B. Terpenes are steroid precursors.
- C. A triterpene is made of three isoprene moieties, and therefore has 15 carbons.
- D. Terpenes are made by plants and insects.
Correct Answer: C
Explanation:
A triterpene is made of six isoprene moieties (remember, one terpene unit = two isoprene units), and therefore has a 30-carbon backbone.