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 14 of 21

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Q131.
When DNA segment is in one orientation

a.

The gene for FljB and gene encoding FljA are expressed

b.

The gene for FliC are expressed

c.

The gene for FljB and gene encoding FljA are not expressed

d.

The gene for FljB and gene encoding FljC are not expressed

Discuss
Answer: (a).The gene for FljB and gene encoding FljA are expressed
Q132.
Which of the following encodes recombinase?

a.

fliC

b.

fljB

c.

hin

d.

fljA

Discuss
Answer: (c).hin
Q133.
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.
Q134.
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
Q135.
Alternate splicing of RNA transcripts is a mechanism to regulate

a.

tubulin

b.

tachykinins

c.

DNA methylation

d.

leucine zippers

Discuss
Answer: (b).tachykinins
Q136.
Which of the following does not act as a restriction enzyme?

a.

EcorI

b.

BamHI

c.

HindIII

d.

polydeoxyribonucleotide synthase

Discuss
Answer: (d).polydeoxyribonucleotide synthase
Q137.
Which of the following enzyme is responsible for making a DNA copy from RNA?

a.

Reverse transcriptase

b.

DNA polymerase

c.

RNA polI

d.

RNA polII

Discuss
Answer: (a).Reverse transcriptase
Q138.
Which of the following statements is true?

a.

Exonuclease III removes nucleotide residues from the 3’ ends of a DNA strand

b.

Bacteriophage lambda exonuclease removes terminal phosphates

c.

Alkaline phosphatase removes nucleotides from 5‘ends

d.

Kinase adds homopolymer tails to the 3’ –OH ends of a linear duplex

Discuss
Answer: (a).Exonuclease III removes nucleotide residues from the 3’ ends of a DNA strand
Q139.
Which of the following can be termed as a restriction modification system?

a.

Restriction endonuclease + methylase

b.

DNA ligase + methylase

c.

Restriction endonuclease + acetylase

d.

DNA ligase + acetylase

Discuss
Answer: (a).Restriction endonuclease + methylase
Q140.
Which of the following is true about restriction endonucleases?

a.

Type I and II requires ATP to move along DNA

b.

Type I, II and III requires ATP to move along DNA

c.

Type II requires no ATP and cleaves DNA within recognition sequence

d.

Type II requires ATP and cleaves DNA within recognition sequence

Discuss
Answer: (c).Type II requires no ATP and cleaves DNA within recognition sequence
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