Vitamin D is considered biologically inactive until it undergoes two enzymatic hydroxylation reactions. Where do these reactions take place?

This version of the course is no longer available.
Need multiple seats for your university or lab? Get a quote
The page below is a sample from the LabCE course . Access the complete course and earn ASCLS P.A.C.E.-approved continuing education credits by subscribing online.

Learn more about (online CE course)

Vitamin D is considered biologically inactive until it undergoes two enzymatic hydroxylation reactions. Where do these reactions take place?

Please select the single best answer