Which of these statements describes vitamin D? A)It can be synthesized by the skin on exposure to sunlight. B)It must be modified by biochemical alterations within the liver and kidneys before it is biologically active. C) It enhances the effect of calcitonin on bone. D) It increases Ca²⁺ absorption in the intestine.

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The Answer of Which of these statements describes vitamin D? A)It can be synthesized by the skin on exposure to sunlight. B)It must be modified by biochemical alterations within the liver and kidneys before it is biologically active. C) It enhances the effect of calcitonin on bone. D) It increases Ca²⁺ absorption in the intestine.

Which of These Statements Describes Vitamin D