MDCAT Biology MCQ #334

The molecular structure of chlorophyll includes a hydrophilic porphyrin head and a:

MDCAT Biology MCQ #334

  1. Question 1

    Q1. The molecular structure of chlorophyll includes a hydrophilic porphyrin head and a:

    • A) Hydrophilic phytol tail
    • B) Hydrophobic porphyrin head
    • C) Long chain of amino acids
    • D) Hydrophobic phytol tail

    Answer: Hydrophobic phytol tail

    Explanation: The hydrophobic phytol tail anchors chlorophyll in membranes. The porphyrin ring is tempting because it is the light-absorbing portion.