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Unformatted text preview: Select the correct statement(s) to include. (a) CRBPII transports all-trans and 9-cis retinol to the nucleus (b) retinol is oxidized in the cytoplasm to all-cis and 9-trans retinoic acid (c) all-trans retinoic acid binds RAR and 9-cis retinoic acid binds to RXR in the nucleus (d) all of the above (e) none of the above True or False (1 pt) 4. When vitamin E is commercially synthesized for supplements, the one chemical form present is RRR-α-tocopherol. (a) True (b) False 5. Vitamin E is transported from the enterocyte to the liver as a component of chylomicrons. (a) True (b) False 6. A patient with scurvy who is consuming a low vitamin E diet would be at greater risk for erythrocyte hemolysis than a patient who has been successfully treated for scurvy. (a) True (b) False 7. Serum retinol concentrations are reflective of the liver vitamin A stores. (a) True (b) False...
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- Spring '08
- Nutrition, Vitamin A, Vitamin E, Retinol, retinoic acid, retinoic acid binds