Relationship between vitamin D and sunrays
Illustrate the relationship between vitamin D and sunrays?
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Vitamin D or calciferol is synthesized in the skin by the action of ultraviolet range of sunrays on precursor molecules. Afterward it is converted into its active form in the liver and kidneys.
Cyclosis: Cyclosis is a kind of internal cell movement in which an oriented flow of circulating material is formed and maintained in cytoplasm by the action of microfilaments. Cyclosis is much easily detected in plant cells.
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