A patient with severe iron-deficiency anemia shows reduced metabolic activity. This is because iron is a vital structural component of which mitochondrial proteins?
Q1. A patient with severe iron-deficiency anemia shows reduced metabolic activity. This is because iron is a vital structural component of which mitochondrial proteins?
Answer: Iron
Explanation: Iron is a central component of heme in cytochromes. Magnesium is wrong because it is the central atom of chlorophyll, not cytochromes.