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Biochemistry General 7789cf8e

Which of the following is not true in vitamin B9 deficiency

A

Vitamin B9 is stored in liver for 3 - 4 months

B

Deficiency manifests as increased homocysteine and normal methylmalonic acid levels.

C

Deficiency manifests as increase in both homocysteine and methylmalonic acid levels.

D

Phenytoin intake can cause deficiency state of Vitamin B9

High-Yield Explanation

Vitamin B9 (folic acid) deficiency result in increased homocysteine level but methylmalonic acid level will be normal.

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