MDCAT Biology MCQ #379

A researcher is studying the structural components of chlorophyll a in a spinach leaf. Which specific part of the molecule acts as a hydrophobic anchor in the thylakoid membrane?

MDCAT Biology MCQ #379

  1. Question 1

    Q1. A researcher is studying the structural components of chlorophyll a in a spinach leaf. Which specific part of the molecule acts as a hydrophobic anchor in the thylakoid membrane?

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

    Answer: Phytol tail

    Explanation: The phytol tail (C20H39) anchors chlorophyll into the thylakoid membrane, whereas the porphyrin head is responsible for light absorption.