| 1. | It's a regulatory gene _ it turns other genes on and off.
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| 2. | These linked traits may arise from mutations in a few key regulatory genes.
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| 3. | Such regulatory genes include endothelin receptor type B ( EDNRB ).
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| 4. | The trp operon consists of a regulatory gene, a promoter, an operator, and a terminator.
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| 5. | MRNA are subject to layers of regulatory gene expression.
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| 6. | Additionally, regulatory genes outside of the PAI may regulate virulence genes in the pathogenicity island.
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| 7. | A homologue of the NifL-NifA regulatory gene system has not been found among the eukaryotes.
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| 8. | NifL is a negative regulatory gene which inhibits the activation of other nif genes by nifA protein.
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| 9. | Cells have a small set of regulatory genes that control the activity of all the other genes.
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| 10. | Other regulatory genes code for activator proteins.
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