MDCAT Biology MCQ #486

The phytol tail of a chlorophyll molecule is essential for its attachment to the thylakoid. This tail is primarily composed of which elements?

MDCAT Biology MCQ #486

  1. Question 1

    Q1. The phytol tail of a chlorophyll molecule is essential for its attachment to the thylakoid. This tail is primarily composed of which elements?

    • A) Nitrogen and Magnesium
    • B) Carbon and Hydrogen
    • C) Oxygen and Phosphorus
    • D) Iron and Sulfur

    Answer: Carbon and Hydrogen

    Explanation: The phytol tail is a long hydrocarbon chain (C20H39); the porphyrin ring contains the nitrogen and magnesium atoms.