Vitamins

A. N-methyl nicotinamide
B. Riboflavin
C. PRPP
D. Tryptophan

A. Riboflavin
B. Biotin
C. Thiamine
D. Pyridoxine

A. Pyridoxine
B. Vit E
C. Vit A
D. Pantothenic acid

A. Defective collagen synthesis
B. Soft swollen gums
C. Pigeon chest
D. Subcutaneous & other hemorrhage

A. Vitamin K
B. Vitamin B6
C. Vitamin folic acid
D. Niacin

A. Biotin
B. Niacin
C. Thiamine
D. Phylloquinone

A. Apple
B. Fresh green vegetables
C. Citrus fruits
D. Both B and C

A. Redox reactions
B. Transamination reaction
C. Methyl group transfer
D. Amine group transfer

A. Vit A
B. Vit C
C. Vit B2
D. Vit D

A. Thiamine
B. Riboflavin
C. Niacin
D. Folic acid