Transcription in Prokaryotes and Eukaryotes MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Transcription in Prokaryotes and Eukaryotes, a fundamental topic in the field of Cytogenetics. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Transcription in Prokaryotes and Eukaryotes MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Transcription in Prokaryotes and Eukaryotes mcq questions that explore various aspects of Transcription in Prokaryotes and Eukaryotes problems. Each MCQ is crafted to challenge your understanding of Transcription in Prokaryotes and Eukaryotes principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Cytogenetics tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Transcription in Prokaryotes and Eukaryotes MCQs are your pathway to success in mastering this essential Cytogenetics topic.

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Transcription in Prokaryotes and Eukaryotes MCQs | Page 7 of 16

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Discuss
Answer: (b).It consists of one stem loop system
Q62.
Which segments of the attenuator together form the repression loop?
Discuss
Answer: (b).Segment 2-3
Q63.
We know that lactose has a positive impact on the activity of the lac operon. Tryptophan’s presence has a ________________
Discuss
Answer: (b).Negative feedback
Q64.
If in an experiment you mutate the two trp codons in the attenuator to ala codon what will be the impact on repression?
Discuss
Answer: (b).Reduced repression
Q65.
Which of these items have a positive impact on PEDCBA transcription?
Discuss
Answer: (d).Anti-Trp with Trp-TRAP
Q66.
When uncharged tRNA concentration is low what will you expect as the activity of tryptophan operon?
Discuss
Answer: (d).Very high
Q67.
How many stem loop structures play important role in complete system of tryptophan gene regulation?

a.

3

b.

4

c.

6

d.

8

Discuss
Answer: (c).6
Q68.
Which of this mode of trp regulation is not possible in eukaryotes?
Discuss
Answer: (c).Attenuation of trp
Q69.
In which microorganism will you find attenuation by alternate loop formation due to ribosomal stalling?
Discuss
Answer: (d).B. subtlis
Q70.
Which operon behaves similar to Bacillus subtilis trp operon in terms of attenuation?
Discuss
Answer: (b).His operon