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Example Questions
Example Question #51 : Biochemistry
Which of the following reaction types is not catalyzed by cobalamin enzymes?
Possible Answers:
Ligation of bonds between DNA bases
Intramolecular rearrangements
Methylations
Reduction of ribonucleotides
All of these are reaction types catalyzed by cobalamins
Correct answer:
Ligation of bonds between DNA bases
Explanation:
Cobalamin enzymes are B12-dependent enzymes. This type of enzyme catalyzes methylations, intramolecular rearrangements, and reduction of ribonucleotides. However, it is not associated with the ligation of the hydrogen bonds between DNA bases.
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