Answer

Which of the following is true regarding B vitamins and homocysteine metabolism

a.Folate catabolyzes homocysteine
b.Biotin supplements reduce blood homocysteine levels
c.Excessive homocysteine intake reduces vitamin B12 absorption
d.High blood homocysteine levels correlate with reduced incidence of colon cancer
e.High folate levels are necessary for the synthesis of homocysteine


ANS:A