What Is the Function of Intrinsic Factor in Vitamin B₁₂

question 100

Multiple Choice

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 intestines
• 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

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