The λ repressor can act as a transcriptional activator as well as a repressor.

Name: The λ repressor can act as a transcriptional activator as well as a repressor.
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The λ repressor can act as a transcriptional activator by binding to certain sites on the DNA and interacting with other proteins to stimulate transcription of nearby genes. It can also act as a repressor by binding to different sites on the DNA and blocking transcription.

The λ Repressor Can Act as a Transcriptional Activator as Well