Question:
The SOS regulatory system is activated by A) the activity of DNA polymerase IV. B) DNA damage. C) transcription of LexA. D) repression of RecA.
Author: Maram OmarAnswer:
B) DNA damage.
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Maram Omar![Maram Omar](https://lh6.googleusercontent.com/-qN8r0nc11J0/AAAAAAAAAAI/AAAAAAAAAAA/AMZuuck8IFbWug2AutJvA9sIq4jrGqiFkA/photo.jpg)