Vitamin D is different from all other vitamins because it:
A) can donate electrons or hydrogen ions to other substances.
B) cannot be converted to an active hormone in the body.
C) cannot be consumed through a diet.
D) can be synthesized by our body through exposure to sunlight.
Question 2
The most biologically active form of vitamin E is _____.
A) cholecalciferol
B) -naphthol
C) -tocopherol
D) cholesterol