Q. Which of the following takes place when tryptophan levels are high?

View solution

Q. Which of the following takes place when tryptophan levels are low?

View solution

Q. Formation of the attenuator stem-and-loop structure depends on the events that occur during translation of

View solution

Q. Which of the following regulatory sequence allows transcription to continue?

View solution

Q. Attenuator sequences base-pair to form a stem-and-loop structure rich in

View solution

Q. Trp repressor is a

View solution

Q. CAP is

View solution

Q. Which of the following about mRNA stability is not correct?

View solution

Q. RNAi stands for

View solution

Q. The mechanism by which CBP activates transcription is

View solution

Q. Which of the following increases gene expression as much as 200-fold?

View solution

Q. Which of the following statements regarding the regulation of trp operon expression by attenuation is correct?

View solution

Q. Which of the following statements about lac operon in e.coli is true?

View solution

Q. To which class of transcription factor do nuclear receptors belong?

View solution

Q. Which of the following is the most appropriate definition of an operator?

View solution

Q. Which of the following bacterial operon is not controlled by attenuation?

View solution

Q. Which of the following statements is not correct?

View solution

Q. Which out of the following is not an example of inducible operon?

View solution

Q. Which of the following is not required for the expression of genes in the lactose operon?

View solution

Q. If lactose and glucose are provided in the growth medium of a culture of E. coli

View solution