Health benefits associated with getting a sufficient amount of folic acid include…

Vitamin D receptors have been found in the which of the following tissues, suggesting that vitamin D can exert an effect on this tissue.

The nuclear retinoid X receptor (RXR) is used in the regulation of gene expression for both vitamin A and vitamin D.

While both the polyglutamate and monoglutamate forms of folate can be absorbed into the small intestine, the monoglutamate form is absorbed at a higher rate.

Follicular hyperkeratosis is associated with a deficiency of vitamin C.

The plasma concentration of which of the following forms of vitamin D is measured to determine the vitamin D status of a person?

Because of differences in uptake between retinoids and carotenoids, the intake of vitamin A is given in units abbreviated as RAE.  What specifically does RAE stand for? 

Vitamin A is stored in the body as…

What element is at the center of the corrin nucleus of cobalamin?

This is the name for the cells that secrete mucus in mucosal tissue.