The phenotype of a repressor mutation which prevents DNA binding. Introduction: A repressor molecule or protein prevents the RNA polymerase from binding to the promoter region and thus, prevents the expression of genes.

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Answer 1

Question

Chapter 16, Problem 1DA

Summary Introduction

To determine: The phenotype of a repressor mutation which prevents DNA binding.

Introduction: A repressor molecule or protein prevents the RNA polymerase from binding to the promoter region and thus, prevents the expression of genes.

Expert Solution

Explanation of Solution

The phenotype of a repressor mutation in which binding of DNA is prevented would be the expression of the genes which facilitate lactose metabolism. This is because the operator would not be able to bind to the repressor and transcription would get inhibited.

Summary Introduction

To determine: The phenotype of a repressor mutation that prevents DNA binding and an operator mutation that prevents repressor binding.

Introduction: In molecular biology, operator is a genetic sequence which is responsible for facilitating the transcribing proteins to bind to the DNA sequence being transcribed.

Expert Solution

Explanation of Solution

Mutation in the operator or inducer that prevents the binding of the repressor would allow the operator to bing to the DNA all the time and the genes for lactose metabolism would not get expressed. This is because the RNA polymerase would bind to the DNA and transcription would proceed. This is in contrast to the phenotype expressed when mutation in the repressor would prevent transcription.

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After you feel comfortable with your counting method and identifying cells in the various stages of mitosis, use the four images below of whitefish blastula to count the cells in each stage until you reach 100 total cells, recording your data below in Data Table 1. (You may not need to use all four images. Stop counting when you reach 100 total cells.) After totaling the cells in each stage, calculate the percent of cells in each stage. (Divide total of stage by overall total of 100 and then multiply by 100 to obtain percentage.) Data Table 1Stage Totals PercentInterphase Mitosis: Prophase Metaphase Anaphase Telophase Cytokinesis Totals 100 100% To find the length of time whitefish blastula cells spend in each stage, multiply the percent (recorded as a decimal, in other words take the percent number and divide by 100) by 24 hours. (Example: If percent is 20%, then Time in Hours = .2 * 24 = 4.8) Record your data in Data…

Answer 2

Question

Chapter 16, Problem 1DA

Summary Introduction

To determine: The phenotype of a repressor mutation which prevents DNA binding.

Introduction: A repressor molecule or protein prevents the RNA polymerase from binding to the promoter region and thus, prevents the expression of genes.

Expert Solution

Explanation of Solution

The phenotype of a repressor mutation in which binding of DNA is prevented would be the expression of the genes which facilitate lactose metabolism. This is because the operator would not be able to bind to the repressor and transcription would get inhibited.

Summary Introduction

To determine: The phenotype of a repressor mutation that prevents DNA binding and an operator mutation that prevents repressor binding.

Introduction: In molecular biology, operator is a genetic sequence which is responsible for facilitating the transcribing proteins to bind to the DNA sequence being transcribed.

Expert Solution

Explanation of Solution

Mutation in the operator or inducer that prevents the binding of the repressor would allow the operator to bing to the DNA all the time and the genes for lactose metabolism would not get expressed. This is because the RNA polymerase would bind to the DNA and transcription would proceed. This is in contrast to the phenotype expressed when mutation in the repressor would prevent transcription.

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Answer 3

Question

Chapter 16, Problem 1DA

Summary Introduction

To determine: The phenotype of a repressor mutation which prevents DNA binding.

Introduction: A repressor molecule or protein prevents the RNA polymerase from binding to the promoter region and thus, prevents the expression of genes.

Expert Solution

Explanation of Solution

The phenotype of a repressor mutation in which binding of DNA is prevented would be the expression of the genes which facilitate lactose metabolism. This is because the operator would not be able to bind to the repressor and transcription would get inhibited.

Summary Introduction

To determine: The phenotype of a repressor mutation that prevents DNA binding and an operator mutation that prevents repressor binding.

Introduction: In molecular biology, operator is a genetic sequence which is responsible for facilitating the transcribing proteins to bind to the DNA sequence being transcribed.

Expert Solution

Explanation of Solution

Mutation in the operator or inducer that prevents the binding of the repressor would allow the operator to bing to the DNA all the time and the genes for lactose metabolism would not get expressed. This is because the RNA polymerase would bind to the DNA and transcription would proceed. This is in contrast to the phenotype expressed when mutation in the repressor would prevent transcription.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 4

Question

Chapter 16, Problem 1DA

Summary Introduction

To determine: The phenotype of a repressor mutation which prevents DNA binding.

Introduction: A repressor molecule or protein prevents the RNA polymerase from binding to the promoter region and thus, prevents the expression of genes.

Expert Solution

Explanation of Solution

The phenotype of a repressor mutation in which binding of DNA is prevented would be the expression of the genes which facilitate lactose metabolism. This is because the operator would not be able to bind to the repressor and transcription would get inhibited.

Summary Introduction

To determine: The phenotype of a repressor mutation that prevents DNA binding and an operator mutation that prevents repressor binding.

Introduction: In molecular biology, operator is a genetic sequence which is responsible for facilitating the transcribing proteins to bind to the DNA sequence being transcribed.

Expert Solution

Explanation of Solution

Mutation in the operator or inducer that prevents the binding of the repressor would allow the operator to bing to the DNA all the time and the genes for lactose metabolism would not get expressed. This is because the RNA polymerase would bind to the DNA and transcription would proceed. This is in contrast to the phenotype expressed when mutation in the repressor would prevent transcription.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 5

Chapter 16, Problem 1DA

Summary Introduction

To determine: The phenotype of a repressor mutation which prevents DNA binding.

Introduction: A repressor molecule or protein prevents the RNA polymerase from binding to the promoter region and thus, prevents the expression of genes.

Expert Solution

Explanation of Solution

The phenotype of a repressor mutation in which binding of DNA is prevented would be the expression of the genes which facilitate lactose metabolism. This is because the operator would not be able to bind to the repressor and transcription would get inhibited.

Summary Introduction

To determine: The phenotype of a repressor mutation that prevents DNA binding and an operator mutation that prevents repressor binding.

Introduction: In molecular biology, operator is a genetic sequence which is responsible for facilitating the transcribing proteins to bind to the DNA sequence being transcribed.

Expert Solution

Explanation of Solution

Mutation in the operator or inducer that prevents the binding of the repressor would allow the operator to bing to the DNA all the time and the genes for lactose metabolism would not get expressed. This is because the RNA polymerase would bind to the DNA and transcription would proceed. This is in contrast to the phenotype expressed when mutation in the repressor would prevent transcription.

Answer 6

Chapter 16, Problem 1DA

Summary Introduction

To determine: The phenotype of a repressor mutation which prevents DNA binding.

Introduction: A repressor molecule or protein prevents the RNA polymerase from binding to the promoter region and thus, prevents the expression of genes.

Expert Solution

Explanation of Solution

The phenotype of a repressor mutation in which binding of DNA is prevented would be the expression of the genes which facilitate lactose metabolism. This is because the operator would not be able to bind to the repressor and transcription would get inhibited.

Answer 7

Chapter 16, Problem 1DA

Summary Introduction

To determine: The phenotype of a repressor mutation which prevents DNA binding.

Introduction: A repressor molecule or protein prevents the RNA polymerase from binding to the promoter region and thus, prevents the expression of genes.

Answer 8

Expert Solution

Explanation of Solution

The phenotype of a repressor mutation in which binding of DNA is prevented would be the expression of the genes which facilitate lactose metabolism. This is because the operator would not be able to bind to the repressor and transcription would get inhibited.

Answer 9

Expert Solution

Answer 10

Expert Solution

Answer 11

Expert Solution

Answer 12

Summary Introduction

To determine: The phenotype of a repressor mutation that prevents DNA binding and an operator mutation that prevents repressor binding.

Introduction: In molecular biology, operator is a genetic sequence which is responsible for facilitating the transcribing proteins to bind to the DNA sequence being transcribed.

Expert Solution

Explanation of Solution

Mutation in the operator or inducer that prevents the binding of the repressor would allow the operator to bing to the DNA all the time and the genes for lactose metabolism would not get expressed. This is because the RNA polymerase would bind to the DNA and transcription would proceed. This is in contrast to the phenotype expressed when mutation in the repressor would prevent transcription.

Answer 13

Summary Introduction

To determine: The phenotype of a repressor mutation that prevents DNA binding and an operator mutation that prevents repressor binding.

Introduction: In molecular biology, operator is a genetic sequence which is responsible for facilitating the transcribing proteins to bind to the DNA sequence being transcribed.

Answer 14

Expert Solution

Explanation of Solution

Mutation in the operator or inducer that prevents the binding of the repressor would allow the operator to bing to the DNA all the time and the genes for lactose metabolism would not get expressed. This is because the RNA polymerase would bind to the DNA and transcription would proceed. This is in contrast to the phenotype expressed when mutation in the repressor would prevent transcription.