| 41. | Linear layout of lambda phage genome with major operons, promoter regions and capsid coding genes.
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| 42. | Operons can also be positively controlled.
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| 43. | Bacterial operons are polycistronic transcripts that are able to produce multiple proteins from one mRNA transcript.
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| 44. | An example of a cis-acting regulatory sequence is the operator in the lac operon.
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| 45. | The total range of trp operon regulation is about 700 X ( on / off ).
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| 46. | It should also be understood that the lac operon is affected by the presence of glucose.
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| 47. | This causes the anti-terminator loop to form and the tryptophan operon to be transcribed.
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| 48. | This operon encodes the translation initiation factor IF-3 and ribosomal proteins L35 and L20.
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| 49. | The gene encoding the archease ( PAB1946 ) is located in a bicistronic operon immediately complex.
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| 50. | The ArsD family consists of several bacterial arsenical resistance operon trans-acting repressor ArsD proteins.
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