A farmer observes chlorosis in older leaves and determines the soil lacks magnesium. This deficiency directly impairs the synthesis of which molecule?
Q1. A farmer observes chlorosis in older leaves and determines the soil lacks magnesium. This deficiency directly impairs the synthesis of which molecule?
Answer: Chlorophyll
Explanation: Magnesium is the central atom of the chlorophyll porphyrin ring; carotenoids are tempting but they are purely hydrocarbon derivatives.