Which statement regarding the absorption of vitamin B12 is (are) FALSE?
A. R-protein produced in the stomach carries vitamin B12 to the ileum for absorption.
B. Vitamin B12 binds with intrinsic factor synthesized in the stomach.
C. Pancreatic enzymes release vitamin B12 from the R-protein.
D. Hydrochloric acid and pepsin are necessary to release vitamin B12 from food.
Ans: A. R-protein produced in the stomach carries vitamin B12 to the ileum for absorption.
You might also like to view...
What percentage of young school aged children exhibit hyperactivity?
a. 3% b. 9% c. 20% d. 25-35%
All of the following are steps that should be taken if you suspect someone has alcohol poisoning EXCEPT:
1.make them drink strong coffee. 2.Call 911. 3.seek help before the symptoms appear. 4.do not assume the person can “sleep it off.”
Compared to the number of people who develop anorexia, how many are likely to develop bulimia?
a. Twice as many b. The same number c. Half as many d. One-fourth as many
What catabolic pathway takes place in the liver to produce glucose under relatively anaerobic conditions?
a. Cori cycle b. Citric acid cycle c. Glycolysis d. Electron transport