In comparison to the composition of carbohydrates and fats, which ...

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In comparison to the composition of carbohydrates and fats, which element found in proteins makes them unique?
 a. Carbon b. Oxygen
  c. Nitrogen d. Hydrogen

Question 2

What is hydroxyapatite?
 a. Abnormal cellular structures seen in osteoporosis
  b. The calcium-rich crystalline structure of teeth and bones
  c. A calcium regulatory hormone secreted from the trabeculae region of bone
  d. A compound in plant foods that binds to calcium and phosphorus and inhibits absorption

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Answer to Question 1

c

Answer to Question 2

b

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