MDCAT Biology MCQ #423

While the head of a chlorophyll molecule is hydrophilic, which structural component is an anomaly by being highly hydrophobic?

MDCAT Biology MCQ #423

  1. Question 1

    Q1. While the head of a chlorophyll molecule is hydrophilic, which structural component is an anomaly by being highly hydrophobic?

    • A) Porphyrin ring
    • B) Phytol tail
    • C) Magnesium atom
    • D) Pyrrole ring

    Answer: Phytol tail

    Explanation: The phytol tail is hydrophobic and anchors the molecule. The porphyrin head is tempting but is hydrophilic and faces the exterior.