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Suppose you have isolated a new bacterial pathogen from a recent outbreak, the new isolate is extremely resistant to heat. A major virulence factor in this pathogen functions as a transcriptional activator of all the other virulence genes. This transcriptional activator is only active at 37¡ãC, please describe how you can tell whether this protein is regulated at transcriptional level, translational level, or post translational level.

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