Hamad Vitamins 11/11/2021 A. Tyrosine B. Theronine C. Tryptophan D. Histidine 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... 1st clinical sign of vitamin A deficiency is_____________?A. night blindness B. bitot’s spots C. xerostomia D. conjunctival xeroses... Aniacinosis results in______________?A. Perleche B. Beri beri C. Pellagra D. Nyctalopia... Argentaffinoma is characterized by excess excretion of_____________?A. 5- Hydroxy indole acetate B. 3- Hydroxy phenyl pyruvate C. Phenyl lactate D. Phenyl acetate... Heme in haemoglobin is____________?A. Between Helix C and D B. Surrounded by non polar environment C. Bonded to E7 histidine D. Protoporophyrin IX...
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