Nutrition Questions and All Correct
Answers 2025-2026 Updated.
The chemical structure of vitamin B12 contains cobalt.
True
False - Answer True
Vitamin B12's functions include __________.
the maintenance of healthy nervous tissue
prevention of macrocytic anemia
DNA synthesis
all of these - Answer all of these
Which of the following statements regarding the absorption of vitamin B12 is FALSE?
Vitamin B12 binds with intrinsic factor synthesized in the stomach.
R-protein produced in the stomach carries vitamin B12 to the ileum for absorption.
Hydrochloric acid and pepsin are necessary to release vitamin B12 from food.
Pancreatic enzymes release vitamin B12 from the R-protein. - Answer R-protein produced in
the stomach carries vitamin B12 to the ileum for absorption.
Vitamin B12 is attached to a protein called transcobalamin II.