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 3 of 16

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Q21.
You design a reconstructive RNA polymerase where you take the beta and alpha subunit from a rifampicin resistant strain and beta prime and sigma subunit from rifampicin sensitive strain. You check the rate of transcription by this RNA polymerase after the addition of the antibiotic. What will be your observation?
Discuss
Answer: (c).Normal transcription
Q22.
You add labeled Uridine analogue to the mixture of DNA and RNA pol in vitro. What are you trying to determine?
Discuss
Answer: (c).Presence of DNA โ€“ RNA hybrid
Q23.
Which of these is not a part of RNA polymerase elongation machinery?
Discuss
Answer: (b).RNA entry channel
Discuss
Answer: (a).Increase in UV absorption
Q25.
In a stretch of DNA being transcribed, the region forward to the Elongation is __________
Discuss
Answer: (a).Positively supercoiled
Q26.
What form of helix would you expect to see in double stranded RNA?
Discuss
Answer: (a).A form
Q27.
A ssRNA shows inverted tandem repeat. What would be its secondary structure?
Discuss
Answer: (c).Stem-loop structure
Q28.
To study the functioning of intrinsic terminator you increase the number of G-C base pairs in the stem and decrease the U bases from the tail region. What would be its effect on termination?
Discuss
Answer: (a).No visible effect
Q29.
Which of these interactions is the weakest?
Discuss
Answer: (d).rU-dA
Q30.
You modify your gene DNA sequence by introducing an attenuator within the transcribed region. You isolate the labeled gene product and perform SDS PAGE. You observe two bands one higher and another slightly lower. Which of this band corresponds to properly modified sequence?
Discuss
Answer: (b).Lower