45. Which of the following is not correct about vitamin D3
(A) parathyroid hormone is required for vitamin D activation
(B) Vitamin D is derived from cholesterol
(C) the active form is 1, 24 dihydroxycholecalci ferol
(D) UV is required for vitamin D activation
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統計: A(0), B(0), C(1), D(0), E(0) #2773395
統計: A(0), B(0), C(1), D(0), E(0) #2773395