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Chapter 14: Q. 30 (page 368)

What are Okazaki fragments and how they are formed?

Short Answer

Expert verified

Small pieces of DNA known as Okazaki fragments are created during DNA replication's discontinuous synthesis of the lagging strand.

Step by step solution

01

Introduction 

The small DNA nucleotide sequences are known as Okazaki fragments. In order to create the lagging strand during DNA replication, they are intermittently produced and then further linked by the ligase enzyme.

02

The explanation for the answer. 

Okazaki fragments are produced on lagging strands as a result of the primosome producing a fresh RNA primer. For the purpose of synthesising DNA in a 5′ to 3′ direction toward the replication fork, Okazaki fragments are produced on the lagging strand.

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Most popular questions from this chapter

Explain the events taking place at the replication fork. If the gene for helicase is mutated, what part of replication will be affected?

What is the role of a primer in DNA replication? What would happen if you forgot to add a primer in a tube containing the reaction mix for a DNA sequencing reaction?

How did Meselson and Stahl support Watson and Crick’s double-helix model? a. They demonstrated that each strand serves as a template for synthesizing a new strand of DNA.

b. They showed that the DNA strands break and recombine without losing genetic material.

c. They proved that DNA maintains a double-helix structure while undergoing semi-conservative replication.

d. They demonstrated that conservative replication maintains the complementary base pairing of each DNA helix.

Why were radioactive sulfur and phosphorous used to label bacteriophage in Hershey and Chase's experiments?

The ends of the linear chromosomes are maintained by

a. helicase

b. primase

c. DNA pol

d. telomerase
See all solutions

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