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 19 of 21

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Q181.
Which of the following encodes recombinase?

a.

fliC

b.

fljB

c.

hin

d.

fljA

Discuss
Answer: (c).hin
Q182.
Which of the following is not true about secondary protein structure?

a.

The hydrophilic/hydrophobic character of amino acid residues is important to secondary structure.

b.

The ability of peptide bonds to form intramolecular hydrogen bonds is important to secondary structure.

c.

The alpha helix, beta pleated sheet and beta turns are examples of protein secondary structure.

d.

The steric influence of amino acid residues is important to secondary structure.

Discuss
Answer: (a).The hydrophilic/hydrophobic character of amino acid residues is important to secondary structure.
Q183.
A structure that has hydrogen bonds between polypeptide chains arranged side by side is

a.

Primary structure

b.

ฮฑ-helix

c.

ฮฒ-pleated sheets

d.

Tertiary structure

Discuss
Answer: (c).ฮฒ-pleated sheets
Q184.
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
Q185.
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
Q186.
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
Q187.
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
Q188.
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
Q189.
The lac operon is transcribed in which segments?

a.

1

b.

2

c.

3

d.

4

Discuss
Answer: (a).1
Q190.
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
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