Multiple Choice
The two requirements necessary in order for calcium at concentrations less than 5 mmol/L to be absorbed through the ileum are vitamin:
A) C and a receptor site on the surface of the ileum.
B) D₃ and a carrier protein.
C) K and pepsin.
D) B₁₂ and carboxypeptidase.
Correct Answer:

Verified
Correct Answer:
Verified
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