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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DNA Replication Drawing Name: Using penci, you will draw a representation of DNA replication along the leading and lagging strands. Follow the directions below, drawing each element in its proper location along the replicating DNA strand. Once you are sure everything is in the correct place, complete your drawing by adding color to distinguish objects as separate. 1. On the diagram below, label the 5 and 3' onds of both parental DNA strands (you can make up which is which) 2 Label the replication fork 3. Draw and label helicase 4. Label the overall direction of DNA replication 5. Draw and label single stranded binding proteins 6. Draw and label the leadng strand 7. Draw and label a single DNA polymerase IIl on the leading strand 8. Draw and label an RNA primer on the leading strand 9. Draw and label a DNA polymerase I on the leading strand 10. On the lagging strand, draw and label at least three Okazaki fragments 11. On the lagging strand. draw and label at least two DNA polymerase IIl…
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Application/ Analysis Explain how the anti-parallel structure of DNA predicts its replication mechanism. Identify the major and minor groove of DNA and explain why they are there. Differentiate between semiconservative, conservative, and dispersive replication. Interpret a diagram of a bi-directional replication fork and correctly determine strand polarity and fork direction.
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