| 31. | When higher levels of toxic compounds are present, more methionine is needed.
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| 32. | Many neonatal screening programs include methionine as a metabolite.
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| 33. | Lowered pH tends to increase cleavage rates by inhibiting methionine side chain oxidation.
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| 34. | Methionine upregulates CBS at the post-transcriptional level.
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| 35. | This enzyme participates in methionine metabolism and glutathione metabolism.
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| 36. | This enzyme participates in methionine metabolism and sulfur metabolism.
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| 37. | This enzyme participates in methionine metabolism and cysteine metabolism.
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| 38. | Its synthesis is catalyzed by the enzyme methionine synthase.
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| 39. | Its initiating methionine residue is post-translationally removed.
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| 40. | This is because methionine has a larger side chain.
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