FDNS flashcards exam I

FDNS flashcards exam I - 1 The Recommended Daily Allowance...

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2/10/11 1. The Recommended Daily Allowance meets at least 90% of the average daily nutrient needs of a group of individuals. A. True B. False 2. Which of the following forms of vitamin B12 is present in the mitochondria? A. Hydroxycobalamin B. Cobalamin C. 5’-Deoxyadenosylcobalamin D. Cyanocobalamin E. Methylcobalamin 3. Which of the following Dietary Reference Intakes are used for individual diet planning? A. Recommended Daily Allowance B. Adequate Intake C. Estimated Average Requirement D. All the above E. a and b 4. The enzyme, methylene tetrahydrofolate reductase (MTHFR) converts methylcobalamin and homocysteine to methionine. A. True B. False 5. Choose the correct statement. A. Vitamin B12 binds intrinsic factor in the lysosome within the enterocyte. B. Vitamin B12 binds transcobalamin II (TC-II) in the enterocyte prior to entering the plasma. C. Intrinsic factor is secreted by pancreatic cells. D. The cubulin, receptor for the intrinsic factor – vitamin B12 complex, is located in the duodenum.
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