Which of the following is essential for the absorption of vitamin B₁₂ in the small intestine? A) Gastrin B) Intrinsic factor C) Motilin D) Secretin E) Hydrochloric acid

Question

Quizplus · Accepted Answer

Intrinsic factor is essential for the absorption of vitamin B12 in the small intestine. Vitamin B12 binds to intrinsic factor, which is produced by parietal cells in the stomach, allowing it to be absorbed in the ileum.

Which of the Following Is Essential for the Absorption of Vitamin