Tetrahydrofolate (THF) & S-Adenosylmethionine (SAM)
Biochemistry
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Nitrogen Metabolism
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Biosynthesis of Small Molecules
Q. Vitamin B12 deficiency presents as macrocytic anemia and neurological symptoms. Which of the following is a biomarker for vitamin B12 deficiency?
a
Elevated methylmalonic accid
b
Elevated homocysteine
c
Elevated methionine
d
A and B
e
All of the above
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