A structural analysis of a chlorophyll molecule reveals a central metallic atom in the head region. Which element is this?
Q1. A structural analysis of a chlorophyll molecule reveals a central metallic atom in the head region. Which element is this?
Answer: Magnesium
Explanation: The porphyrin ring contains magnesium at its center. Iron is found in hemoglobin and cytochromes, which are structurally similar but different.