The “decision-making” process used by an E. coli cell growing in a medium containing arabinose, no glucose, and lacking tryptophan. Introduction: Various regulatory “decisions” are made by microbial cells depending on the presence or absence of substrate or product. If the substrate of the pathway is present in the environment and a preferred carbon and energy source is not, then microbial cells synthesize the enzymes of a specific catabolic pathway. Conversely, the synthesis of enzymes is inhibited, when the end product of the pathway is present.

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Answer 1

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Chapter 14.2, Problem 3CC

Summary Introduction

To explain: The “decision-making” process used by an E. coli cell growing in a medium containing arabinose, no glucose, and lacking tryptophan.

Introduction: Various regulatory “decisions” are made by microbial cells depending on the presence or absence of substrate or product. If the substrate of the pathway is present in the environment and a preferred carbon and energy source is not, then microbial cells synthesize the enzymes of a specific catabolic pathway. Conversely, the synthesis of enzymes is inhibited, when the end product of the pathway is present.

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Answer 2

Question

Chapter 14.2, Problem 3CC

Summary Introduction

To explain: The “decision-making” process used by an E. coli cell growing in a medium containing arabinose, no glucose, and lacking tryptophan.

Introduction: Various regulatory “decisions” are made by microbial cells depending on the presence or absence of substrate or product. If the substrate of the pathway is present in the environment and a preferred carbon and energy source is not, then microbial cells synthesize the enzymes of a specific catabolic pathway. Conversely, the synthesis of enzymes is inhibited, when the end product of the pathway is present.

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Answer 3

Question

Chapter 14.2, Problem 3CC

Summary Introduction

To explain: The “decision-making” process used by an E. coli cell growing in a medium containing arabinose, no glucose, and lacking tryptophan.

Introduction: Various regulatory “decisions” are made by microbial cells depending on the presence or absence of substrate or product. If the substrate of the pathway is present in the environment and a preferred carbon and energy source is not, then microbial cells synthesize the enzymes of a specific catabolic pathway. Conversely, the synthesis of enzymes is inhibited, when the end product of the pathway is present.

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Answer 4

Question

Chapter 14.2, Problem 3CC

Summary Introduction

To explain: The “decision-making” process used by an E. coli cell growing in a medium containing arabinose, no glucose, and lacking tryptophan.

Introduction: Various regulatory “decisions” are made by microbial cells depending on the presence or absence of substrate or product. If the substrate of the pathway is present in the environment and a preferred carbon and energy source is not, then microbial cells synthesize the enzymes of a specific catabolic pathway. Conversely, the synthesis of enzymes is inhibited, when the end product of the pathway is present.

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Answer 5

Chapter 14.2, Problem 3CC

Summary Introduction

To explain: The “decision-making” process used by an E. coli cell growing in a medium containing arabinose, no glucose, and lacking tryptophan.

Introduction: Various regulatory “decisions” are made by microbial cells depending on the presence or absence of substrate or product. If the substrate of the pathway is present in the environment and a preferred carbon and energy source is not, then microbial cells synthesize the enzymes of a specific catabolic pathway. Conversely, the synthesis of enzymes is inhibited, when the end product of the pathway is present.

Answer 6

Chapter 14.2, Problem 3CC

Summary Introduction

To explain: The “decision-making” process used by an E. coli cell growing in a medium containing arabinose, no glucose, and lacking tryptophan.

Introduction: Various regulatory “decisions” are made by microbial cells depending on the presence or absence of substrate or product. If the substrate of the pathway is present in the environment and a preferred carbon and energy source is not, then microbial cells synthesize the enzymes of a specific catabolic pathway. Conversely, the synthesis of enzymes is inhibited, when the end product of the pathway is present.

Answer 7

Chapter 14.2, Problem 3CC

Summary Introduction

To explain: The “decision-making” process used by an E. coli cell growing in a medium containing arabinose, no glucose, and lacking tryptophan.

Introduction: Various regulatory “decisions” are made by microbial cells depending on the presence or absence of substrate or product. If the substrate of the pathway is present in the environment and a preferred carbon and energy source is not, then microbial cells synthesize the enzymes of a specific catabolic pathway. Conversely, the synthesis of enzymes is inhibited, when the end product of the pathway is present.

Answer 8

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Answer 9

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Answer 11

Ch. 14.2 - MICRO INQUIRY In what way is on inducer molecule...Ch. 14.2 - MICRO INQUIRY Is allolactose a corepressor or...Ch. 14.2 - Retrieve, Infer, Apply Many genes and operons are...Ch. 14.2 - Prob. 2CC Ch. 14.2 - Prob. 3CC Ch. 14.3 - MICRO INQUIRY How does this attenuation respond to...Ch. 14.4 - MICRO INQUIRY How does inhibition of translation...Ch. 14.4 - Prob. 1CC Ch. 14.4 - Prob. 2CC Ch. 14.4 - Prob. 3CC

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