Multiple Choice
Which of the following is the best description of an operon?
A) An enhancer that positively regulates gene expression.
B) An silencer that negatively regulates gene expression.
C) A binding element for the sigma ( σ ) factor.
D) A group of genes under the control of a common promoter.
Correct Answer:

Verified
Correct Answer:
Verified
Q4: Which of the following is not true
Q5: A single operon<br>A) usually contains all the
Q6: A mutation in the lac A gene
Q7: Which of following statements concerning RNA transcription
Q8: A commonly encountered feature of transfer RNA
Q10: Which of the following is not true?<br>A)
Q11: Identify the component of the prokaryotic
Q12: Ribozymes, the catalytic activity of RNA, were
Q13: Which of the following transcription factors is
Q14: The combination of events revolving around chromatin