Which information would be helpful in determining whether a particular bacterial gene is under positive or negative transcriptional control?
A) The gene is part of an operon.
B) The gene is regulated by the level of a metabolite inside the cell.
C) The gene codes for an enzyme that has an important metabolic purpose.
D) The gene is not transcribed when a repressor protein binds to DNA.
Correct Answer:
Verified
Q1: The lac operon in E. coli is
Q2: The lac operator consists of approximately 20
Q3: If E. coli is in an environment
Q4: A mutation in the i gene encoding
Q5: E. coli regulates the biosynthesis of the
Q7: A researcher hypothesizes that expression of a
Q8: Regulation of the lac operon by lactose
Q9: How do repressors differ from activators of
Q10: Two bacterial populations were prepared in
Q11: One way that a promoter differs from
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