1.

Which of these Ara genes is a mode of feedback autoregulation?(a) Ara A(b) Ara B(c) Ara C(d) Ara DI had been asked this question in class test.This intriguing question originated from Operons : Lac and Ara topic in chapter Gene Expression : Transcription Prokaryotes of Cytogenetics

Answer»

The CORRECT CHOICE is (c) Ara C

Best explanation: As ara C level rises it itself binds beside its promoter preventing the RNA polymerase to bind to the same there by having a NEGATIVE FEEDBACK control. Ara BAD promoter lacks this type of control and is regulate din different way.



Discussion

No Comment Found

Related InterviewSolutions