Multiple Choice
The lac operon is induced by the presence of lactose, but it is transcribed at a high rate only when:
A) The cyclic adenosine monophosphate (cAMP) level in the cell is high.
B) A ribosome binds to the Shine-Dalgarno sequence.
C) A ribosome binds to the 5' cap of the mRNA.
D) Tryptophan is present in high concentration.
E) Glucose is present
Correct Answer:
Verified
Correct Answer:
Verified
Q2: Which of the following bases, when it
Q3: Unlike DNA polymerases, RNA polymerases:<br>A)Can elongate a
Q4: A promoter region of a gene is
Q5: Which of the radiolabeled oligonucleotide probes below
Q6: The consensus sequences of prokaryotic promoters are
Q8: Which of the following components is a
Q9: Mutations are hazardous to the health of
Q10: The purpose of the gene products of
Q11: In a particular bacterial operon, there are
Q12: During DNA replication, which type of enzyme