Dietary cholecalciferol must be further hydroxylated in order to be active vitamin D. The first hydroxylation occurs in the ____ to produce ____.?
A) ?liver; 25-hydroxycholecalciferol
B) ?kidney; 25-hydroxycholecalciferol
C) ?skin; 7-dehydrocholesterol
D) ?kidney; 1-hydrocholesterol
A
You might also like to view...
Discuss how retinal is absorbed and transported in the body. What is its role in healthy vision and immune function?
What will be an ideal response?
The American Academy of Pediatrics recommends exclusive breastfeeding for the first six
months of life. Indicate whether the statement is true or false
Which of the following is a feature of lactose?
a. Its digestion begins in the mouth b. It is found in various amounts in most animal foods c. It is used as filler in one out of five prescription drugs d. It causes frequent allergies in certain population groups
Having a genetic predisposition to cancer means:
a. exposure to viruses during periods of slow growth can modify the function of genes. b. there is a 100% certainty that cancer will develop. c. a genetic based susceptibility develops during adulthood. d. cancer may develop if you are regularly exposed to certain substances.