The first stage of photosynthesis involves energy molecules and the second stage this energy for sugar molecules formation.
Phase I begins with the conversion of solar energy into chemical energy in the presence of water, which is subsequently stored as ATP and NADPH. At this point, oxygen is also emitted as a waste product. In phase II, carbon dioxide is combined with chemical energy from ATP and NADPH to produce glucose. Organelles in plant cells are referred to as chloroplasts. Grana are stacks that are present in each chloroplast and are found in the chloroplasts. The grana are made up of membranes called thylakoids that resemble sacs. These membranes include photosystems, which are assemblages of molecules that contain chlorophyll, the green pigment.
Hence, photosynthesis involves sugar molecule formation.
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