Question

Choose the correct pair among the following.

a.

The DNA sequence to which stigma factor binds – enhancer

b.

The DNA sequence to which RNA polymerase binds – operator

c.

The DNA sequence that codes for a protein – structural gene

d.

The DNA sequence to which repressors binds – promoter

Posted under Molecular Biology

Answer: (c).The DNA sequence that codes for a protein – structural gene

Interact with the Community - Share Your Thoughts

Uncertain About the Answer? Seek Clarification Here.

Understand the Explanation? Include it Here.

Q. Choose the correct pair among the following.

Similar Questions

Explore Relevant Multiple Choice Questions (MCQs)

Q. Which of the following is not present in the β-galactosidase structural gene and thus is not transcribed by the same promoter?

Q. Glucose, as the carbon source, is the first choice by bacteria even if other sugars are available. The mechanism behind this selectivity is ___________

Q. The lac operon is regulated by cAMP by ___________

Q. Tryptophan operon in E. coli is a repressible operon.

Q. Which of the following is true about tryptophan operon?

Q. The expression of the tryptophan operon is independent of the availability of tryptophan in culture media.

Q. The functional unit in which genes are arranged consecutively is known as ___________

Q. The investigation of the lac operon for the metabolism of lactose was done by __________

Q. Presence of lactose itself induces the production of β-galactoside transferase.

Q. How many enzymes are produced in the lac operon under the same promoter?

Q. Defects in which regions can affect the activity of the lac operon?

Q. If the lac operon of the genome of bacteria is always active it has a defect in which region of the operon?

Q. Lac operon follows a trans-acting control mechanism.

Q. According to the repressor of lac operon which of the following are false?

Q. If there is an insertion mutation in the operator of the lac operon, the expression of the lac structural gene will be __________

Q. The complete expression of the lac operon requires __________

Q. What effect would a loss-of-function mutation have on the expression of the gene encoding the catabolite activator protein of the lac operon?

Q. Mutation in the regulatory gene of a positively controlled operon can be identified by __________

Q. In the case of lac operon, the gene expression is inhibited by __________

Q. Which of the following is false about bacterial tryptophan operon?

Recommended Subjects

Are you eager to expand your knowledge beyond Molecular Biology? We've handpicked a range of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!