Hamad Vitamins 20/11/2020 A. Methyl B12 B. Hydroxy B12 C. Cyano cobalamine D. None of the above Related Mcqs: Biological activity of tocopherols has been attributed, in part to their actions as_____________?A. Antioxidant B. Anticoagulants C. Provitamin D. Antidotes for selenium poisoning... Vitamin A_____________?A. Is water soluble B. Deficiency causes impaired vision C. Maintains normal plasma calcium levels D. Is required for formation of clotting factors... Ascorbic acid_____________?A. Is a reducing agent B. Decrease iron absorption C. Is harmless in high doses D. Is requirement for lysyl oxidase... Precursor of melanin is________________?A. Phenylalanine B. Tryptophan C. Tyrosine D. Methionine... Ammonia is detoxified in liver to form____________?A. Uric acid B. Glutamine C. Creatinine D. Urea...
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