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The main role of chloroplasts is to conduct photosynthesis, where the photosynthetic pigment chlorophyll captures the energy from sunlight and converts it and stores it in the energy-storage molecules ATP and NADPH while freeing oxygen from water.
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Bromine is a chemical element in the periodic table with atomic number 35, and has a mass of 79.9 units. When two Bromine atoms are brought together they are likely to form a Bromine molecule that will consist of the two original atoms bound together by a single covalent bond.