DNA Sequencing and DNA Replication MCQs

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

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of DNA Sequencing and DNA Replication. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your DNA Sequencing and DNA Replication knowledge to the test? Let's get started with our carefully curated MCQs!

DNA Sequencing and DNA Replication MCQs | Page 5 of 11

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Q41.
Polymerase I has two fragments. The residue of larger fragment consists from ____________ residues.

a.

1 – 234

b.

234 – 658

c.

324 – 928

d.

234 – 928

Discuss
Answer: (c).324 – 928
Q42.
Which of the following is false about klenow fragment?

a.

Polymerization activity

b.

3’→5’ exonuclease activity

c.

5’→3’ exonuclease activity

d.

324 – 928 residue of polymerase I

Discuss
Answer: (b).3’→5’ exonuclease activity
Q43.
DNA polymerase III has ___________ subunits.

a.

4

b.

6

c.

8

d.

10

Discuss
Answer: (d).10
Q44.
Which of the following types of DNA polymerase does not take part in DNA repair?

a.

DNA polymerase I

b.

DNA polymerase II

c.

DNA polymerase III

d.

DNA polymerase IV

Discuss
Answer: (c).DNA polymerase III
Q45.
How many active sites are present in the DNA polymerase to catalyze the addition of the four dNTPs?

a.

1

b.

2

c.

3

d.

4

Discuss
Answer: (a).1
Q46.
How does the polymerase recognize the correct dNTP for an addition?

a.

Structure of dNTP

b.

Molecular weight of dNTP

c.

Purine and pyrimidine orientation

d.

Ability of hydrogen bond formation

Discuss
Answer: (d).Ability of hydrogen bond formation
Q47.
DNA polymerase can distinguish between dNTPs and rNTPS due to ___________

a.

Structural differentiation

b.

Steric exclusion

c.

Steric hindrance

d.

Enzyme substrate mismatch

Discuss
Answer: (b).Steric exclusion
Q48.
When we compare the structure of DNA polymerase to the structure of a body part, it resembles to _________________

a.

Right hand

b.

Left hand

c.

Right foot

d.

Left foot

Discuss
Answer: (a).Right hand
Q49.
With respect to the palm domain of the DNA polymerase which of the following is not its property?

a.

Contains primary elements of the catalytic site

b.

Binds to 2 divalent ions

c.

Composed of α helix

d.

Brings about the environmental changes around 3’-OH of dNTP

Discuss
Answer: (c).Composed of α helix
Q50.
The two divalent metal ions of the active sites of DNA polymerase are major catalytic elements that bring about changes required for the joining of the dNTPs.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
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