Which of the Following Statements About araC^- and lacI^- Mutants

question 24

Multiple Choice

Which of the following statements about araC^- and lacI^- mutants are true,with reference their respective operons? Assume both of these are loss of function mutations.

• A) araC^- mutants do not allow transcription,but lacI^- mutants do
• B) araC^- mutants do allow transcription,but lacI^- mutants do not
• C) both araC^- mutants and lacI^- mutants allow transcription
• D) neither araC^- mutants nor lacI^- mutants allow transcription
• E) araC^- mutants do allow transcription,but lacI^- mutants do not,except if lacI^s is also present

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