Biology
Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Chapter 11.4, Problem 3CC
Summary Introduction

To determine: The movement of primase in the lagging strand in figure 11.19.

Introduction: The process of formation of daughter strands from DNA strands is termed as replication of DNA. The enzyme RNA primer initiates the synthesis of daughter DNA strands from the template strand. The RNA primer is synthesized by an enzyme known as DNA primase. Two strands are synthesized by this enzyme. One is the leading strand while the other is the lagging strand.

Summary Introduction

To determine: Whether primase moves from left to right or from right to left.

Introduction: The process of formation of daughter strands from DNA strands is termed as replication of DNA. The enzyme RNA primer initiates the synthesis of daughter DNA strands from the template strand. The RNA primer is synthesized by an enzyme known as DNA primase. Two strands are synthesized by this enzyme. One is the leading strand while the other is the lagging strand.

Summary Introduction

To determine: The way in which primase must move after it is done making a primer and has to start making the next primer at a new location.

Introduction: The process of formation of daughter strands from DNA strands is termed as replication of DNA. The enzyme RNA primer initiates the synthesis of daughter DNA strands from the template strand. The RNA primer is synthesized by an enzyme known as DNA primase. Two strands are synthesized by this enzyme. One is the leading strand while the other is the lagging strand.

Summary Introduction

To determine: Whether primase has to hop from left to right or right to left direction.

Introduction: The process of formation of daughter strands from DNA strands is termed as replication of DNA. The enzyme RNA primer initiates the synthesis of daughter DNA strands from the template strand. The RNA primer is synthesized by an enzyme known as DNA primase. Two strands are synthesized by this enzyme. One is the leading strand while the other is the lagging strand.

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Quick help Only cell biology Which process is described in the following paragraph? During DNA synthesis, before the enzyme adds the next nucleotide to a growing DNA strand, it checks whether the previously added nucleotide is correctly base-paired to the template strand. If so, the polymerase adds the next nucleotide; if not, the polymerase clips off the mispaired nucleotide and tries again. This is carried out by cleaving the phosphodiester backbone using the enzyme’s 3’-to-5’ exonuclease activity.
Draw a replication bubble. Be sure to label the directionality of all strands of DNA. For one of the two replication forks, draw and label all of the proteins required the text describes as being important for DNA synthesis, and label the leading and lagging strands.
Picture is only attached as reference. How does the model attached show DNA Replication?What is the importance of DNA Replication?What will happen if there will be an error during the DNA Replication Process?
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