Recombinant DNA Technology MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Recombinant DNA Technology, a fundamental topic in the field of Biochemistry. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Recombinant DNA Technology 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 Recombinant DNA Technology mcq questions that explore various aspects of Recombinant DNA Technology problems. Each MCQ is crafted to challenge your understanding of Recombinant DNA Technology principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Biochemistry tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Recombinant DNA Technology MCQs are your pathway to success in mastering this essential Biochemistry topic.

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Recombinant DNA Technology MCQs | Page 7 of 21

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Q61.
Enhancers differ from promoters in that

a.

they initiate transcription

b.

they are adjacent to the start codon

c.

their orientation can be inverted without effect

d.

they are restricted to a specific gene

Discuss
Answer: (c).their orientation can be inverted without effect
Q62.
Methylated gene are

a.

active

b.

silent

c.

dynamic

d.

either (a) or (b)

Discuss
Answer: (b).silent
Q63.
A frameshift mutation occurs in the sigma subunit gene transcribed as part of SPOl early genes. What will be the immediate result?

a.

Early genes will not be translated

b.

Middle genes will not be transcribed

c.

The bacterial host will lyse immediately

d.

Infection will proceed as usual

Discuss
Answer: (c).The bacterial host will lyse immediately
Q64.
In the presence of high levels of tryptophan

a.

attenuator allows transcription of trp structural genes

b.

attenuator propogates transcription

c.

attenuator terminates transcription

d.

none of the above

Discuss
Answer: (c).attenuator terminates transcription
Q65.
Tubulin is regulated by

a.

binding of tubulin to tubulin mRNA

b.

splicing of the tubulin transcript

c.

binding of tubulin to the tubulin translational product

d.

binding of tubulin to DNA

Discuss
Answer: (c).binding of tubulin to the tubulin translational product
Q66.
Transcription factors are

a.

regions of DNA in the promoter area

b.

regions of DNA in the enhancer area

c.

any protein which binds to DNA

d.

proteins which bind DNAand initiate transcription

Discuss
Answer: (d).proteins which bind DNAand initiate transcription
Q67.
Genes which need to be coordinately regulated but are not in operons may be regulated by

a.

common transcription factor binding domains

b.

TATA boxes

c.

CAAT regions

d.

GC regions

Discuss
Answer: (a).common transcription factor binding domains
Q68.
DNA is methylated at

a.

AC sequences

b.

TATA sequences

c.

CAAT sequences

d.

CG sequences

Discuss
Answer: (d).CG sequences
Q69.
Why are several structural genes regulated as a unit in bacteria?

a.

An accident of evolution

b.

It allows coordinating regulation of genes with a common function

c.

The bacteria chromosome is so small; many different genes must be controlled by the same promoter

d.

none of the above

Discuss
Answer: (b).It allows coordinating regulation of genes with a common function
Q70.
Alternate splicing of RNA transcripts is a mechanism to regulate

a.

tubulin

b.

tachykinins

c.

DNA methylation

d.

leucine zippers

Discuss
Answer: (b).tachykinins
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