A steroid-derived hormone that must be activated by hydroxylation, ______ regulates Ca2+ metabolism.

A steroid-derived hormone that must be activated by hydroxylation, ______ regulates Ca2+ metabolism.

09:33

A steroid-derived hormone that must be activated by hydroxylation, ______ regulates Ca2+ metabolism.



a. sterol
b. cholesterol
c. arachidonic acid
d. vitamin D


Answer: vitamin D


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