The difference between an oncogenes and a tumor-suppressor gene. Introduction: Normal maintenance and growth of body tissues depends on the balance between the signals that inhibit and promote the cell division. When there is unbalanced state the condition may lead to cancer. Thus, cancer is usually caused by mutations that affect the gene indirectly or directly leading to unbalanced state.

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Answer 1

Question

Chapter 23.2, Problem 5COQ

Summary Introduction

To determine:

The difference between an oncogenes and a tumor-suppressor gene.

Introduction:

Normal maintenance and growth of body tissues depends on the balance between the signals that inhibit and promote the cell division. When there is unbalanced state the condition may lead to cancer. Thus, cancer is usually caused by mutations that affect the gene indirectly or directly leading to unbalanced state.

Summary Introduction

To determine:

Some examples of the functions of proto-oncogenes and tumor-suppressor genes in normal cells.

Introduction:

Proto-oncogenes are normal genes that encode for proteins required for the promotion of cell cycle. Tumor suppressor gene codes for protein that directly or indirectly stops the cell cycle and promote the process of apoptosis. This prevents the cells from dividing “uncontrollably”.

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We will be starting a group project next week where you and your group will research and ultimately present on a current research article related to the biology of a pathogen that infects humans. The article could be about the pathogen itself, the disease process related to the pathogen, the immune response to the pathogen, vaccines or treatments that affect the pathogen, or other biology-related study about the pathogen. I recommend that you choose a pathogen that is currently interesting to researchers, so that you will be able to find plenty of articles about it. Avoid choosing a historical disease that no longer circulates. List 3 possible pathogens or diseases that you might want to do for your group project.

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Answer 2

Question

Chapter 23.2, Problem 5COQ

Summary Introduction

To determine:

The difference between an oncogenes and a tumor-suppressor gene.

Introduction:

Normal maintenance and growth of body tissues depends on the balance between the signals that inhibit and promote the cell division. When there is unbalanced state the condition may lead to cancer. Thus, cancer is usually caused by mutations that affect the gene indirectly or directly leading to unbalanced state.

Summary Introduction

To determine:

Some examples of the functions of proto-oncogenes and tumor-suppressor genes in normal cells.

Introduction:

Proto-oncogenes are normal genes that encode for proteins required for the promotion of cell cycle. Tumor suppressor gene codes for protein that directly or indirectly stops the cell cycle and promote the process of apoptosis. This prevents the cells from dividing “uncontrollably”.

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Answer 3

Question

Chapter 23.2, Problem 5COQ

Summary Introduction

To determine:

The difference between an oncogenes and a tumor-suppressor gene.

Introduction:

Normal maintenance and growth of body tissues depends on the balance between the signals that inhibit and promote the cell division. When there is unbalanced state the condition may lead to cancer. Thus, cancer is usually caused by mutations that affect the gene indirectly or directly leading to unbalanced state.

Summary Introduction

To determine:

Some examples of the functions of proto-oncogenes and tumor-suppressor genes in normal cells.

Introduction:

Proto-oncogenes are normal genes that encode for proteins required for the promotion of cell cycle. Tumor suppressor gene codes for protein that directly or indirectly stops the cell cycle and promote the process of apoptosis. This prevents the cells from dividing “uncontrollably”.

Expert Solution & Answer

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Answer 4

Question

Chapter 23.2, Problem 5COQ

Summary Introduction

To determine:

The difference between an oncogenes and a tumor-suppressor gene.

Introduction:

Normal maintenance and growth of body tissues depends on the balance between the signals that inhibit and promote the cell division. When there is unbalanced state the condition may lead to cancer. Thus, cancer is usually caused by mutations that affect the gene indirectly or directly leading to unbalanced state.

Summary Introduction

To determine:

Some examples of the functions of proto-oncogenes and tumor-suppressor genes in normal cells.

Introduction:

Proto-oncogenes are normal genes that encode for proteins required for the promotion of cell cycle. Tumor suppressor gene codes for protein that directly or indirectly stops the cell cycle and promote the process of apoptosis. This prevents the cells from dividing “uncontrollably”.

Expert Solution & Answer

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Answer 5

Chapter 23.2, Problem 5COQ

Summary Introduction

To determine:

The difference between an oncogenes and a tumor-suppressor gene.

Introduction:

Normal maintenance and growth of body tissues depends on the balance between the signals that inhibit and promote the cell division. When there is unbalanced state the condition may lead to cancer. Thus, cancer is usually caused by mutations that affect the gene indirectly or directly leading to unbalanced state.

Summary Introduction

To determine:

Some examples of the functions of proto-oncogenes and tumor-suppressor genes in normal cells.

Introduction:

Proto-oncogenes are normal genes that encode for proteins required for the promotion of cell cycle. Tumor suppressor gene codes for protein that directly or indirectly stops the cell cycle and promote the process of apoptosis. This prevents the cells from dividing “uncontrollably”.

Answer 6

Chapter 23.2, Problem 5COQ

Summary Introduction

To determine:

The difference between an oncogenes and a tumor-suppressor gene.

Introduction:

Normal maintenance and growth of body tissues depends on the balance between the signals that inhibit and promote the cell division. When there is unbalanced state the condition may lead to cancer. Thus, cancer is usually caused by mutations that affect the gene indirectly or directly leading to unbalanced state.

Answer 7

Chapter 23.2, Problem 5COQ

Summary Introduction

To determine:

The difference between an oncogenes and a tumor-suppressor gene.

Introduction:

Normal maintenance and growth of body tissues depends on the balance between the signals that inhibit and promote the cell division. When there is unbalanced state the condition may lead to cancer. Thus, cancer is usually caused by mutations that affect the gene indirectly or directly leading to unbalanced state.

Answer 8

Summary Introduction

To determine:

Some examples of the functions of proto-oncogenes and tumor-suppressor genes in normal cells.

Introduction:

Proto-oncogenes are normal genes that encode for proteins required for the promotion of cell cycle. Tumor suppressor gene codes for protein that directly or indirectly stops the cell cycle and promote the process of apoptosis. This prevents the cells from dividing “uncontrollably”.

Answer 9

Summary Introduction

To determine:

Some examples of the functions of proto-oncogenes and tumor-suppressor genes in normal cells.

Introduction:

Proto-oncogenes are normal genes that encode for proteins required for the promotion of cell cycle. Tumor suppressor gene codes for protein that directly or indirectly stops the cell cycle and promote the process of apoptosis. This prevents the cells from dividing “uncontrollably”.

Answer 10

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Answer 11

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Answer 12

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Answer 13

Ch. 23.1 - Prob. 1CC Ch. 23.1 - Prob. 1COQ Ch. 23.1 - Prob. 2COQ Ch. 23.1 - Prob. 3COQ Ch. 23.1 - Prob. 4COQ Ch. 23.1 - Prob. 22AQP Ch. 23.1 - Prob. 23AQP Ch. 23.1 - Prob. 2TPSQ Ch. 23.1 - Prob. 3TPSQ Ch. 23.1 - Prob. 4TPSQ

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Chapter 23 Solutions