题目内容
(请给出正确答案)
[单选题]
维生素D的活性形式是()
A.1,24,25-(OH)3-D3
B.1,25-(OH)2-D3
C.24,25-(OH)2-D3
D.维生素D3
E.25-(OH)-D3
答案
B、1,25-(OH)2-D3
A.1,24,25-(OH)3-D3
B.1,25-(OH)2-D3
C.24,25-(OH)2-D3
D.维生素D3
E.25-(OH)-D3
B、1,25-(OH)2-D3