What is the function of intrinsic factor in vitamin B12 absorption?
A) It catalyzes release of the vitamin from its protein-bound form
B) It attaches to the vitamin,thereby allowing absorption from the small intestine
C) It acts as a storage protein for the vitamin within the intestinal epithelial cells
D) It acts as a cofactor for mucosal enzymes involved in absorption of the vitamin
Correct Answer:
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Q121: Which of the following is NOT known
Q122: Pernicious anemia results from a deficiency of
A)folate.
B)selenium.
C)vitamin
Q123: Which of the following is a common
Q124: The absorption of which of the following
Q125: Normally,the body's storage and re-utilization of vitamin
Q127: Pernicious anemia results from a combination of
Q128: Which of the following is a property
Q129: Among the following water-soluble vitamins,a secondary deficiency
Q130: Which of the following is a feature
Q131: Which of the following is NOT among
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