STPM Biology - chapter 1: Reision essay question 29

29. Describe the important of water soluble vitamins in human metabolism. [7]

Answer:

A)     Water soluble vitamins are vitamin B complex and vitamin C/ ascorbic acids.

@ Vitamin C/ ascorbic acids

-anti-scurvy.

-coenzyme.

-antioxidant/ detoxification.

@ Vitamin B

~B1/ Thiamine- helps release energy from carbohydrate/ decarboxylation.

~B2/ Riboflavin-component of FAD and FMN/ coenzyme.

~B3/ Niacin/ Nicotinic acids- component of NAD+ and NADP+.

~B5/ Panthotenic acid-component of coenzyme A.

~B6/ Pyridoxine- coenzyme in amino acid/ protein metabolism/ transamination.

~B12/ Cobalamine/ Cyanocobalamine- coenzyme in nucleic acids metabolism/ maturation of red blood cell.

~Biotin-coenzyme in metabolism.

~Folic acid/ Folate-coenzyme in nucleic acid and protein metabolism/ formation of red blood cell.

Assignment submitted by L.E., Teh, E.L., Wong, Tan Findy 2011/2012 (IBM)