A. Retinol
B. Retinal
C. Retinoic acid
D. All of the above
Advertisement
Related Mcqs:
- In humans and other primates as well as in guinea pigs, this vitamin cannot be synthesized because of the absence of the enzyme L-gulonolactone oxidase: the vitamin is_____________?
- A. Pantothenic acid B. Nicotinic acid C. Ascorbic acid D. Folic acid...
- Which vitamin is related to a co-factor in glycine metabolism is______________?
- A. Vit E B. Folic acid C. Thiamine D. Cobalamine...
- The function of vitamin K is______________?
- A. Thrombin formation B. Prothrombin formation C. Fibrin formation D. Thromboplastin formation...
- Deficiency of vitamin A causes the following except_____________?
- A. Night blindness B. Corneal dryness C. Bitot’s spots D. Myopia...
- In vitamin A deficiency, patient complains of all of the following except___________?
- A. Night blindness B. Xerophthalmia C. Keratosis D. Phophoric calciuria...
- Deficiency of vitamin C causes the following except____________?
- A. Painful swollen gums B. Abnormal Collagen C. Anaemia D. Diarrhoea...
- Vitamin B12 acts as a coenzyme to which one of the following enzyme ?
- A. Isocitrate dehydrogenase B. Homocyteine methyl transferase C. Glycogen synthase D. G-6-P dehydrogenase...
- The following vitamin is important in non-oxidative decarboxylation, transamination and transsulfuration reactions_____________?
- A. Riboflavin B. Thiamine C. Pyridoxine D. Pantothenic acid...
- Deficiency of vitamin C causes the following except_______________?
- A. Defective collagen synthesis B. Soft swollen gums C. Pigeon chest D. Subcutaneous & other hemorrhage...
- All of the following are true about manifestations of vitamin E deficiency except_____________?
- A. Hemolytic anemia B. Posterior column abnormalities C. Cerebellar ataxia D. Autonomic dysfunctions...
Advertisement