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PrfA Protein Is a Global Regulator of Virulence Genes in Listeria,a

question 12

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PrfA protein is a global regulator of virulence genes in Listeria,a bacterium that can cause severe food poisoning.Below host body temperatures PrfA mRNA exists in a conformation that hides the ribosome binding site.Upon entry into a host and a rise in temperature,hydrogen bonds in the mRNA break,exposing the ribosome binding site.What level of gene regulation is seen here?

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