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 21 of 21

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Q201.
Which of the following takes place when tryptophan levels are low?

a.

Ribosomes quickly translates sequence 1

b.

Sequence 2 is blocked before sequence 3 is transcribed

c.

Ribosomes pauses at the Try codons in sequence 1

d.

Attenuation at the attenuator structure formed by sequences of 3 and 4

Discuss
Answer: (c).Ribosomes pauses at the Try codons in sequence 1
Q202.
Which of the following takes place when tryptophan levels are high?

a.

Attenuation at the attenuator structure formed by sequences of 3 and 4

b.

Ribosomes pauses at the Try codons in sequence 1

c.

Formation of paired structure between 2 and 3 sequences prevents attenuation

d.

2:3 structures, unlike the 3:4 attenuator, does not prevent transcription

Discuss
Answer: (a).Attenuation at the attenuator structure formed by sequences of 3 and 4
Q203.
Whose interaction with Lex-A facilitates the repressor’s self-cleavage reaction?

a.

Rec-A

b.

Rec-B

c.

Rec-C

d.

Rec-D

Discuss
Answer: (a).Rec-A
Q204.
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
Q205.
Which of the following encodes recombinase?

a.

fliC

b.

fljB

c.

hin

d.

fljA

Discuss
Answer: (c).hin
Q206.
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.
Q207.
A structure that has hydrogen bonds between polypeptide chains arranged side by side is

a.

Primary structure

b.

α-helix

c.

β-pleated sheets

d.

Tertiary structure

Discuss
Answer: (c).β-pleated sheets
Q208.
Which of the following are important for white blood cell recognition?

a.

Glycosamineglycans

b.

Proteoglycans

c.

Gycoproteins

d.

Glycolipids

Discuss
Answer: (c).Gycoproteins
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