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photosynthesis

conversion of light energy to energy in chemical bonds

NOTE Photosynthesis in plants is well known and involves assimilation of carbon dioxide into simple sugars. The energy from sunlight or artificial light (principally in the wavelength range 400 nm to 700 nm), is converted into chemical bond energy in the sugars. Photosynthesis in the skin occurs when 7-dehydrocholesterol in the skin absorbs UV-B solar radiation and is converted to previtamin D3.

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