A plant is grown in mineral-deficient soil and shows yellowing of leaves. Which central atom of the chlorophyll molecule is likely missing?
Q1. A plant is grown in mineral-deficient soil and shows yellowing of leaves. Which central atom of the chlorophyll molecule is likely missing?
Answer: Magnesium
Explanation: Magnesium is the central metal atom in the porphyrin ring of chlorophyll; iron is found in hemoglobin and cytochromes.