Which of the following statements concerning carotenoids is not true?
A) Carotenoids are the only examples of the monoterpenes
B) The carotenes are hydrocarbon members of the carotenoids
C) Xanthophylls are oxygenated derivatives of the carotenes
D) Carotenoids are orange-colored pigments
E) None of the above is true

Question

Quizplus · Accepted Answer

Carotenoids are not the only examples of monoterpenes. Monoterpenes are a class of terpenes that consist of two isoprene units and have the molecular formula C10H16. Carotenoids, on the other hand, are tetraterpenes, made up of eight isoprene units and have the molecular formula C40H56.

Which of the Following Statements Concerning Carotenoids Is Not True