What is the function of intrinsic factor in vitamin B 12 absorption?

Intrinsic factor binds to vitamin B12, forming a complex that allows the vitamin to be absorbed in the ileum of the small intestine.

What is the function of intrinsic factor in vitamin B 12 absorption?

Intrinsic factor binds to vitamin B12, forming a complex that allows the vitamin to be absorbed in the ileum of the small intestine.

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What Is the Function of Intrinsic Factor in Vitamin B₁₂

Question 88

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

Correct Answer: