Explain why many developmental genes encode either transcription factors or signaling molecules.

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Answer 1

Textbook Question

Chapter 18, Problem 1P

Explain why many developmental genes encode either transcription factors or signaling molecules.

Expert Solution & Answer

Summary Introduction

To analyze:

To describe the reason for the fact that a number of developmental genes are responsible to encode for the transcription factors and signaling molecule.

Introduction:

The genes that direct the development and fate of an organism are known as developmental genes. Developmental genes code for the indicating molecule or transcription factor. The transcription of genetic information is controlled by the transcription factor.

Explanation of Solution

Transcription factor can initiate or stop the transcription of a particular gene in response to stimuli. This activity permits the variation in all morphology required for cellular differentiation. In this way, the transcription factor plays an important role in multicellular organism development. Bicoid is a transcription factor that is important for the development of the head region in drosophila.

The maturation of the cell at a functional level is known as differentiation. In the developing embryo, differentiation of various types of cell is directed by the signaling molecule; thus both, signaling molecule and transcription, are crucial for the proper development of the organism.

Conclusion

Signaling molecule and transcription are crucial for the proper development of the organism.

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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

Textbook Question

Chapter 18, Problem 1P

Explain why many developmental genes encode either transcription factors or signaling molecules.

Expert Solution & Answer

Summary Introduction

To analyze:

To describe the reason for the fact that a number of developmental genes are responsible to encode for the transcription factors and signaling molecule.

Introduction:

The genes that direct the development and fate of an organism are known as developmental genes. Developmental genes code for the indicating molecule or transcription factor. The transcription of genetic information is controlled by the transcription factor.

Explanation of Solution

Transcription factor can initiate or stop the transcription of a particular gene in response to stimuli. This activity permits the variation in all morphology required for cellular differentiation. In this way, the transcription factor plays an important role in multicellular organism development. Bicoid is a transcription factor that is important for the development of the head region in drosophila.

The maturation of the cell at a functional level is known as differentiation. In the developing embryo, differentiation of various types of cell is directed by the signaling molecule; thus both, signaling molecule and transcription, are crucial for the proper development of the organism.

Conclusion

Signaling molecule and transcription are crucial for the proper development of the organism.

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

Answer 3

Textbook Question

Chapter 18, Problem 1P

Explain why many developmental genes encode either transcription factors or signaling molecules.

Expert Solution & Answer

Summary Introduction

To analyze:

To describe the reason for the fact that a number of developmental genes are responsible to encode for the transcription factors and signaling molecule.

Introduction:

The genes that direct the development and fate of an organism are known as developmental genes. Developmental genes code for the indicating molecule or transcription factor. The transcription of genetic information is controlled by the transcription factor.

Explanation of Solution

Transcription factor can initiate or stop the transcription of a particular gene in response to stimuli. This activity permits the variation in all morphology required for cellular differentiation. In this way, the transcription factor plays an important role in multicellular organism development. Bicoid is a transcription factor that is important for the development of the head region in drosophila.

The maturation of the cell at a functional level is known as differentiation. In the developing embryo, differentiation of various types of cell is directed by the signaling molecule; thus both, signaling molecule and transcription, are crucial for the proper development of the organism.

Conclusion

Signaling molecule and transcription are crucial for the proper development of the organism.

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

Answer 4

Textbook Question

Chapter 18, Problem 1P

Explain why many developmental genes encode either transcription factors or signaling molecules.

Expert Solution & Answer

Summary Introduction

To analyze:

To describe the reason for the fact that a number of developmental genes are responsible to encode for the transcription factors and signaling molecule.

Introduction:

The genes that direct the development and fate of an organism are known as developmental genes. Developmental genes code for the indicating molecule or transcription factor. The transcription of genetic information is controlled by the transcription factor.

Explanation of Solution

Transcription factor can initiate or stop the transcription of a particular gene in response to stimuli. This activity permits the variation in all morphology required for cellular differentiation. In this way, the transcription factor plays an important role in multicellular organism development. Bicoid is a transcription factor that is important for the development of the head region in drosophila.

The maturation of the cell at a functional level is known as differentiation. In the developing embryo, differentiation of various types of cell is directed by the signaling molecule; thus both, signaling molecule and transcription, are crucial for the proper development of the organism.

Conclusion

Signaling molecule and transcription are crucial for the proper development of the organism.

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

Answer 5

Textbook Question

Answer 6

Textbook Question

Answer 7

Expert Solution & Answer

Summary Introduction

To analyze:

To describe the reason for the fact that a number of developmental genes are responsible to encode for the transcription factors and signaling molecule.

Introduction:

The genes that direct the development and fate of an organism are known as developmental genes. Developmental genes code for the indicating molecule or transcription factor. The transcription of genetic information is controlled by the transcription factor.

Explanation of Solution

Transcription factor can initiate or stop the transcription of a particular gene in response to stimuli. This activity permits the variation in all morphology required for cellular differentiation. In this way, the transcription factor plays an important role in multicellular organism development. Bicoid is a transcription factor that is important for the development of the head region in drosophila.

The maturation of the cell at a functional level is known as differentiation. In the developing embryo, differentiation of various types of cell is directed by the signaling molecule; thus both, signaling molecule and transcription, are crucial for the proper development of the organism.

Conclusion

Signaling molecule and transcription are crucial for the proper development of the organism.

Answer 8

Expert Solution & Answer

Summary Introduction

To analyze:

To describe the reason for the fact that a number of developmental genes are responsible to encode for the transcription factors and signaling molecule.

Introduction:

The genes that direct the development and fate of an organism are known as developmental genes. Developmental genes code for the indicating molecule or transcription factor. The transcription of genetic information is controlled by the transcription factor.

Explanation of Solution

Transcription factor can initiate or stop the transcription of a particular gene in response to stimuli. This activity permits the variation in all morphology required for cellular differentiation. In this way, the transcription factor plays an important role in multicellular organism development. Bicoid is a transcription factor that is important for the development of the head region in drosophila.

The maturation of the cell at a functional level is known as differentiation. In the developing embryo, differentiation of various types of cell is directed by the signaling molecule; thus both, signaling molecule and transcription, are crucial for the proper development of the organism.

Conclusion

Signaling molecule and transcription are crucial for the proper development of the organism.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Summary Introduction

To analyze:

To describe the reason for the fact that a number of developmental genes are responsible to encode for the transcription factors and signaling molecule.

Introduction:

The genes that direct the development and fate of an organism are known as developmental genes. Developmental genes code for the indicating molecule or transcription factor. The transcription of genetic information is controlled by the transcription factor.

Answer 12

Explanation of Solution

Transcription factor can initiate or stop the transcription of a particular gene in response to stimuli. This activity permits the variation in all morphology required for cellular differentiation. In this way, the transcription factor plays an important role in multicellular organism development. Bicoid is a transcription factor that is important for the development of the head region in drosophila.

The maturation of the cell at a functional level is known as differentiation. In the developing embryo, differentiation of various types of cell is directed by the signaling molecule; thus both, signaling molecule and transcription, are crucial for the proper development of the organism.