MDCAT Biology MCQ #252

When comparing the molecular structures of Chlorophyll a and b, what functional group is found specifically in Chlorophyll b?

MDCAT Biology MCQ #252

  1. Question 1

    Q1. When comparing the molecular structures of Chlorophyll a and b, what functional group is found specifically in Chlorophyll b?

    • A) Methyl group
    • B) Hydroxyl group
    • C) Aldehyde group
    • D) Carboxyl group

    Answer: Aldehyde group

    Explanation: Chlorophyll b has an aldehyde group (-CHO). Chlorophyll a has a methyl group (-CH3), which is the primary structural difference.