What Is the Only Reaction of Mammalian Amino Acid Metabolism

question 23

Multiple Choice

What is the only reaction of mammalian amino acid metabolism that is dependent upon vitamin B₁₂?

• A)conversion of phenylalanine to tyrosine
• B)conversion of homocysteine to methionine
• C)isomerization of methylmalonyl-CoA to succinyl-CoA
• D)methane synthesis
• E)none of the above

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Definitions:

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