MCAT Question A Day - 9/20/14 - Answer!
Hydroxyapatite is the mineral portion of bone. Hydroxyapatite contains all of the following elements except:
A. calcium
B. sulfur
C. phosphate
D. hydrogen
B is correct. Hydroxyapatite is made up of calcium and phosphate in a compound that includes hydroxyl groups as well. You should know that bone acts as a storage place for phosphate and calcium. The hydroxyl you can get from the name.
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B is correct. Hydroxyapatite is made up of calcium and phosphate in a compound that includes hydroxyl groups as well. You should know that bone acts as a storage place for phosphate and calcium. The hydroxyl you can get from the name.
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