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In a chloroplast the highest number of protons are found in (a) intermembrane space (b) antennae complex (c) stroma (d) lumen of thylakoids.
In which of the following all three are macronutrients? (a) Molybdenum, magnesium, manganese (b) Nitrogen, nickel, phosphorus (c) Boron, zinc, manganese (d) Iron, copper, molybdenum