Most of vitamin B12 in the body is stored as_____________?
A. Methyl B12
B. Hydroxy B12
C. Cyano cobalamine
D. None of the above
Biochemistry
The following vitamin is important in non-oxidative decarboxylation, transamination and transsulfuration reactions_____________?
The following vitamin is important in non-oxidative decarboxylation, transamination and transsulfuration reactions_____________?
A. Riboflavin
B. Thiamine
C. Pyridoxine
D. Pantothenic acid
Vitamin C is present in largest amount in the body in____________?
Vitamin C is present in largest amount in the body in____________?
A. Eye
B. Kidneys
C. Testes
D. Adrenal cortex
Tryptophan load test helps in the evaluation of deficiency of the vitamin______________?
Tryptophan load test helps in the evaluation of deficiency of the vitamin______________?
A. Folic acid
B. Niacinamide
C. Pyridoxine
D. Cyano cobolamine
Which vitamin is related to a co-factor in glycine metabolism is______________?
Which vitamin is related to a co-factor in glycine metabolism is______________?
A. Vit E
B. Folic acid
C. Thiamine
D. Cobalamine
Two Vitamin whose derivatives are involved in transformation of serine to glycine are_____________?
Two Vitamin whose derivatives are involved in transformation of serine to glycine are_____________?
A. B6 ad B12
B. B12 and nicotinamie
C. Folic acid and B6
D. Folic acid and B12
The mineral having sparing action on Vitamin E_______________?
The mineral having sparing action on Vitamin E_______________?
A. Chromium
B. Iron
C. Iodine
D. Selenium
1st clinical sign of vitamin A deficiency is_____________?
1st clinical sign of vitamin A deficiency is_____________?
A. night blindness
B. bitot’s spots
C. xerostomia
D. conjunctival xeroses
Vitamin D_____________?
Vitamin D_____________?
A. Absorption requires bile pigments
B. Synthesis is regulated at the reaction catalyzed by 15-hydroxylase
C. Deficiency on adults leads to rickets
D. Along with PTH, increases calcium resorption from bone
Thiamine deficiency causes decreased energy production because____________?
Thiamine deficiency causes decreased energy production because____________?
A. It is required for the process of transmination
B. It is co-factor in oxidative reduction
C. It is co-enzyme for transketolase in pentose phosphate pathway
D. It is co-enzyme for pyruvate dehydrogenase