The animal version of vitamin D is known as
a. ergocalciferol.
b. foliocalciferol.
c. cholecalciferol.
d. phyllocalciferol.
e. xanthociferol.
Question 2
Which of the following compounds serves as the major precursor for the body's synthesis of vitamin D?
a. Cholesterol
b. Tryptophan
c. Beta-carotene
d. Eicosapentanoic acid
e. Histamine