Exposure of the skin to sunlight converts ________ to vitamin D3.
A) calcium
B) calcitriol
C) 7-dehydrocholesterol
D) cholesterol
E) 25-OH D3
Answer: C) 7-dehydrocholesterol
You might also like to view...
The internal feature of bone that makes it simultaneously strong and lightweight is the
A. arrangement of collagenous fibers. B. areolar connective tissue in the central cavity. C. pattern of osteons. D. latticework structure of spongy bone. E. presence of cartilage.
Sweating cools the body by evaporation.
Answer the following statement true (T) or false (F)
The composition of the plasma or cell membrane is best described as a bilayer With phospholipids on the intracellular side and proteins on the extracellular side Of proteins in which phospholipids are embedded Of phospholipids in which proteins are embedded With proteins on the intracellular side and phospholipids on the extracellular side
What will be an ideal response?
Nuclear medicine is a branch of medicine that uses radioactive isotopes to prevent, diagnose, and treat disease.?
Indicate whether the statement is true or false