MDCAT Biology MCQ #219

The structure of chlorophyll is often compared to the heme group of hemoglobin. Which central metal atom is found in chlorophyll?

MDCAT Biology MCQ #219

  1. Question 1

    Q1. The structure of chlorophyll is often compared to the heme group of hemoglobin. Which central metal atom is found in chlorophyll?

    • A) Magnesium (Mg)
    • B) Iron (Fe)
    • C) Copper (Cu)
    • D) Manganese (Mn)

    Answer: Magnesium (Mg)

    Explanation: Chlorophyll has a magnesium (Mg) ion at the center of its porphyrin ring, whereas hemoglobin contains iron (Fe).