If the lacI repressor gene were permanently silenced by a DNA mutation, what would be the impact on the expression of the lac operon?
A) The lac operon would only be expressed if glucose were absent.
B) The lac operon would always be expressed.
C) There would be no impact on lac operon expression.
D) The lac operon would only be expressed when lactose was present.
E) The lac operon would never be expressed.
Correct Answer:
Verified
Q2: Where is the trp repressor gene located?
A)
Q3: The trp operon is _ unless tryptophan
Q4: Genes under positive control are _.
A) off
Q5: Regulatory proteins bind to the _ of
Q6: What is the relationship between operons and
Q7: The genes in an operon are _.
A)
Q8: In prokaryotes, high levels of cAMP _.
A)
Q9: In prokaryotes, the genes for metabolic pathways
Q10: The E. coli lac operon encodes three
Q11: How is lac operon transcription regulated by
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents