The reason why the cytoplasm from a fertilized frog oocyte when injected into the cytoplasm of an unfertilized frog oocyte induced cell division. Concept introduction: Frog Xenopus oocytes were studied to understand the cell cycle. These eggs are of 1 mm in diameter. After fertilization, these eggs divide rapidly into several small cells. Each small cell contains short or lack G1 and G2 phases in between them, followed by S and M phases as usual. The fertilized eggs are able to follow the above process, as they have maternal mRNA stored in the oocytes to speed up up the process of initial cleavage. During this initial cleavage, the cell does not grow but rather divides rapidly to form small cells synchronously. The Xenopus oocytes are a good model system to detect processes before mitotic phase due to its large size.

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Answer 1

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Chapter 18, Problem 5Q

Summary Introduction

To explain: The reason why the cytoplasm from a fertilized frog oocyte when injected into the cytoplasm of an unfertilized frog oocyte induced cell division.

Concept introduction: Frog Xenopus oocytes were studied to understand the cell cycle. These eggs are of 1 mm in diameter. After fertilization, these eggs divide rapidly into several small cells. Each small cell contains short or lack G1 and G2 phases in between them, followed by S and M phases as usual. The fertilized eggs are able to follow the above process, as they have maternal mRNA stored in the oocytes to speed up up the process of initial cleavage. During this initial cleavage, the cell does not grow but rather divides rapidly to form small cells synchronously. The Xenopus oocytes are a good model system to detect processes before mitotic phase due to its large size.

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Answer 2

Question

Chapter 18, Problem 5Q

Summary Introduction

To explain: The reason why the cytoplasm from a fertilized frog oocyte when injected into the cytoplasm of an unfertilized frog oocyte induced cell division.

Concept introduction: Frog Xenopus oocytes were studied to understand the cell cycle. These eggs are of 1 mm in diameter. After fertilization, these eggs divide rapidly into several small cells. Each small cell contains short or lack G1 and G2 phases in between them, followed by S and M phases as usual. The fertilized eggs are able to follow the above process, as they have maternal mRNA stored in the oocytes to speed up up the process of initial cleavage. During this initial cleavage, the cell does not grow but rather divides rapidly to form small cells synchronously. The Xenopus oocytes are a good model system to detect processes before mitotic phase due to its large size.

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Answer 3

Question

Chapter 18, Problem 5Q

Summary Introduction

To explain: The reason why the cytoplasm from a fertilized frog oocyte when injected into the cytoplasm of an unfertilized frog oocyte induced cell division.

Concept introduction: Frog Xenopus oocytes were studied to understand the cell cycle. These eggs are of 1 mm in diameter. After fertilization, these eggs divide rapidly into several small cells. Each small cell contains short or lack G1 and G2 phases in between them, followed by S and M phases as usual. The fertilized eggs are able to follow the above process, as they have maternal mRNA stored in the oocytes to speed up up the process of initial cleavage. During this initial cleavage, the cell does not grow but rather divides rapidly to form small cells synchronously. The Xenopus oocytes are a good model system to detect processes before mitotic phase due to its large size.

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Answer 4

Question

Chapter 18, Problem 5Q

Summary Introduction

To explain: The reason why the cytoplasm from a fertilized frog oocyte when injected into the cytoplasm of an unfertilized frog oocyte induced cell division.

Concept introduction: Frog Xenopus oocytes were studied to understand the cell cycle. These eggs are of 1 mm in diameter. After fertilization, these eggs divide rapidly into several small cells. Each small cell contains short or lack G1 and G2 phases in between them, followed by S and M phases as usual. The fertilized eggs are able to follow the above process, as they have maternal mRNA stored in the oocytes to speed up up the process of initial cleavage. During this initial cleavage, the cell does not grow but rather divides rapidly to form small cells synchronously. The Xenopus oocytes are a good model system to detect processes before mitotic phase due to its large size.

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Answer 5

Chapter 18, Problem 5Q

Summary Introduction

To explain: The reason why the cytoplasm from a fertilized frog oocyte when injected into the cytoplasm of an unfertilized frog oocyte induced cell division.

Concept introduction: Frog Xenopus oocytes were studied to understand the cell cycle. These eggs are of 1 mm in diameter. After fertilization, these eggs divide rapidly into several small cells. Each small cell contains short or lack G1 and G2 phases in between them, followed by S and M phases as usual. The fertilized eggs are able to follow the above process, as they have maternal mRNA stored in the oocytes to speed up up the process of initial cleavage. During this initial cleavage, the cell does not grow but rather divides rapidly to form small cells synchronously. The Xenopus oocytes are a good model system to detect processes before mitotic phase due to its large size.

Answer 6

Chapter 18, Problem 5Q

Summary Introduction

To explain: The reason why the cytoplasm from a fertilized frog oocyte when injected into the cytoplasm of an unfertilized frog oocyte induced cell division.

Concept introduction: Frog Xenopus oocytes were studied to understand the cell cycle. These eggs are of 1 mm in diameter. After fertilization, these eggs divide rapidly into several small cells. Each small cell contains short or lack G1 and G2 phases in between them, followed by S and M phases as usual. The fertilized eggs are able to follow the above process, as they have maternal mRNA stored in the oocytes to speed up up the process of initial cleavage. During this initial cleavage, the cell does not grow but rather divides rapidly to form small cells synchronously. The Xenopus oocytes are a good model system to detect processes before mitotic phase due to its large size.

Answer 7

Chapter 18, Problem 5Q

Summary Introduction

To explain: The reason why the cytoplasm from a fertilized frog oocyte when injected into the cytoplasm of an unfertilized frog oocyte induced cell division.

Concept introduction: Frog Xenopus oocytes were studied to understand the cell cycle. These eggs are of 1 mm in diameter. After fertilization, these eggs divide rapidly into several small cells. Each small cell contains short or lack G1 and G2 phases in between them, followed by S and M phases as usual. The fertilized eggs are able to follow the above process, as they have maternal mRNA stored in the oocytes to speed up up the process of initial cleavage. During this initial cleavage, the cell does not grow but rather divides rapidly to form small cells synchronously. The Xenopus oocytes are a good model system to detect processes before mitotic phase due to its large size.

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Ch. 18 - Prob. 1Q Ch. 18 - Prob. 2Q Ch. 18 - Prob. 3Q Ch. 18 - Prob. 4Q Ch. 18 - Prob. 5Q Ch. 18 - Prob. 6Q Ch. 18 - Prob. 7Q Ch. 18 - Prob. 8Q Ch. 18 - Prob. 9Q Ch. 18 - Prob. 10Q

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