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.
In both eukaryotes and prokaryotes, a promoter region that is rich in AT bases is called as

a.

CATT

b.

Shine Dalgarno region

c.

TATA box

d.

SV40 region

Discuss
Answer: (c).TATA box
Q62.
The RNA polymerases that transcribe bacterial DNA are

a.

multisubunit enzymes

b.

only active inside the cell

c.

interchangable with DNA polymerases

d.

highly glycosylated in their active forms

Discuss
Answer: (a).multisubunit enzymes
Q63.
Immediately after transcription

a.

a methylated guanine cap is added to the 51 end of the transcript

b.

a methylated guanine cap is added to the 31 end of the transcript

c.

both (a) and (b)

d.

a poly adenylation signal is added

Discuss
Answer: (a).a methylated guanine cap is added to the 51 end of the transcript
Q64.
Sex lethal (sxl) in Drosophila is transcribed when

a.

the X autosome balance is less than 0.5

b.

the X autosome balance is 1 or greater

c.

the X autosome balance equals 0.5

d.

none of the above

Discuss
Answer: (b).the X autosome balance is 1 or greater
Q65.
A mutation in the tip binding site of the repressor would result in

a.

constitutive trp operon expression

b.

inducible trp operon expression

c.

no operon expression

d.

none of the above

Discuss
Answer: (a).constitutive trp operon expression
Q66.
The first protein complex to bind to the TATA box is

a.

transcription factor IIA

b.

transcription factor IIB

c.

transcription factor IID

d.

all of these

Discuss
Answer: (c).transcription factor IID
Q67.
Which of the following is not part of the lac operon?

a.

I

b.

O

c.

P

d.

none of these

Discuss
Answer: (a).I
Q68.
The lac operon is transcribed in which segments?

a.

1

b.

2

c.

3

d.

4

Discuss
Answer: (a).1
Q69.
Which of the following occur in the presence of glucose?

a.

lac Z gene expression is increased

b.

cAMP increases

c.

Binding of CAP-cAMP complex to the promoter area decreases

d.

none of the above

Discuss
Answer: (c).Binding of CAP-cAMP complex to the promoter area decreases
Q70.
Sex hormones activate transcription of specific genes by

a.

binding to a transcription factor

b.

binding to RNA polymerase

c.

binding to DNA enhancer region

d.

binding to DNA promoter region

Discuss
Answer: (a).binding to a transcription factor
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