Mutation is a permanent alteration in the nucleotide sequence of genome which sometime results in the development of new organism. Sometimes, mutation can be fatal too.

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Chapter 8, Problem 4MCQ

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Mutation is a permanent alteration in the nucleotide sequence of genome which sometime results in the development of new organism. Sometimes, mutation can be fatal too.

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Which of the following accurately compares tumor suppressor genes and proto-oncogenes? A. Both tumor suppressor and proto-oncogenes prevent the spread of cancer by targeting and destroying existing cancer cells. B. A person who has both tumor suppressor and proto-oncogenes will always develop cancer. C. Proto-oncogenes code for growth factors, while tumor suppressor genes inhibit cell division of damaged cells. D. When a proto-oncogene mutates, it becomes a tumor suppressor gene.

The p53 gene was discovered in 1979, but it was not clear whether the gene functioned as an oncogene or a tumor-suppressor gene. Several years later, researchers showed that both p53 alleles are inactivated in some mouse cancers. This evidence suggests A. the p53 gene is an oncogene because inactivated alleles would produce mutated signal transduction proteins that would result in stimulating cell division. B. the p53 gene is an oncogene because the cell would overproduce transcription factors to compensate for the inactive alleles, resulting in increased cell division. C. the p53 gene is a tumor-suppressor gene because inactivated alleles indicate a loss of protein function which allowed the cancer to develop D. the p53 gene is a tumor-suppressor gene because the cell would produce too few transcription factors for gene activation, resulting in decreased cell division.

Which of the following statements about cancer is correct? A. Cancer stem cells can make tumors resistant to chemotherapy. B. Intra-tumoral heterogeneity makes it easier to treat cancer. C. Mutation in p53 is a type of passenger mutation. D. One driver mutation is more than sufficient for the production of a cancer phenotype.

Answer 2

Question

Chapter 8, Problem 4MCQ

Summary Introduction

Introduction:

Mutation is a permanent alteration in the nucleotide sequence of genome which sometime results in the development of new organism. Sometimes, mutation can be fatal too.

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Answer 3

Question

Chapter 8, Problem 4MCQ

Summary Introduction

Introduction:

Mutation is a permanent alteration in the nucleotide sequence of genome which sometime results in the development of new organism. Sometimes, mutation can be fatal too.

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Answer 4

Question

Chapter 8, Problem 4MCQ

Summary Introduction

Introduction:

Mutation is a permanent alteration in the nucleotide sequence of genome which sometime results in the development of new organism. Sometimes, mutation can be fatal too.

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Answer 5

Chapter 8, Problem 4MCQ

Summary Introduction

Introduction:

Mutation is a permanent alteration in the nucleotide sequence of genome which sometime results in the development of new organism. Sometimes, mutation can be fatal too.

Answer 6

Chapter 8, Problem 4MCQ

Summary Introduction

Introduction:

Mutation is a permanent alteration in the nucleotide sequence of genome which sometime results in the development of new organism. Sometimes, mutation can be fatal too.

Answer 7

Chapter 8, Problem 4MCQ

Summary Introduction

Introduction:

Mutation is a permanent alteration in the nucleotide sequence of genome which sometime results in the development of new organism. Sometimes, mutation can be fatal too.

Answer 8

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Answer 11

Ch. 8.1 - Explain the roles of mitotic cell division,...Ch. 8.1 - Prob. 2MC Ch. 8.2 - Prob. 1MC Ch. 8.2 - Prob. 2MC Ch. 8.2 - Prob. 3MC Ch. 8.2 - Prob. 4MC Ch. 8.2 - Prob. 5MC Ch. 8.3 - Which cell types divide by binary fission?Ch. 8.3 - Prob. 2MC Ch. 8.4 - Prob. 1MC

Mutation is a permanent alteration in the nucleotide sequence of genome which sometime results in the development of new organism. Sometimes, mutation can be fatal too.

Solution Summary: The author explains that mutation is a permanent alteration in the nucleotide sequence of genome, which results in development of new organisms.

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Mutation is a permanent alteration in the nucleotide sequence of genome which sometime results in the development of new organism. Sometimes, mutation can be fatal too.

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Mutation is a permanent alteration in the nucleotide sequence of genome which sometime results in the development of new organism. Sometimes, mutation can be fatal too.

Solution Summary: The author explains that mutation is a permanent alteration in the nucleotide sequence of genome, which results in development of new organisms.

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Introduction: Mutation is a permanent alteration in the nucleotide sequence of genome which sometime results in the development of new organism. Sometimes, mutation can be fatal too.

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Chapter 8 Solutions

Introduction:

Mutation is a permanent alteration in the nucleotide sequence of genome which sometime results in the development of new organism. Sometimes, mutation can be fatal too.