Reasons for the development of red color on addition of zinc is considered a negative test. Introduction: Nitrate reduction test is performed to determine the capability of an organism to reduce nitrate to nitrite using an enzyme called nitrate reductase. During the nitrate reduction test, zinc powder is added to catalyze the reduction of nitrate to nitrite.

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Answer 1

Question

Chapter 5, Problem 28E.4RQ

Summary Introduction

To explain: Reasons for the development of red color on addition of zinc is considered a negative test.

Introduction: Nitrate reduction test is performed to determine the capability of an organism to reduce nitrate to nitrite using an enzyme called nitrate reductase. During the nitrate reduction test, zinc powder is added to catalyze the reduction of nitrate to nitrite.

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Answer 2

Question

Chapter 5, Problem 28E.4RQ

Summary Introduction

To explain: Reasons for the development of red color on addition of zinc is considered a negative test.

Introduction: Nitrate reduction test is performed to determine the capability of an organism to reduce nitrate to nitrite using an enzyme called nitrate reductase. During the nitrate reduction test, zinc powder is added to catalyze the reduction of nitrate to nitrite.

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Answer 3

Question

Chapter 5, Problem 28E.4RQ

Summary Introduction

To explain: Reasons for the development of red color on addition of zinc is considered a negative test.

Introduction: Nitrate reduction test is performed to determine the capability of an organism to reduce nitrate to nitrite using an enzyme called nitrate reductase. During the nitrate reduction test, zinc powder is added to catalyze the reduction of nitrate to nitrite.

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Answer 4

Question

Chapter 5, Problem 28E.4RQ

Summary Introduction

To explain: Reasons for the development of red color on addition of zinc is considered a negative test.

Introduction: Nitrate reduction test is performed to determine the capability of an organism to reduce nitrate to nitrite using an enzyme called nitrate reductase. During the nitrate reduction test, zinc powder is added to catalyze the reduction of nitrate to nitrite.

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Answer 5

Chapter 5, Problem 28E.4RQ

Summary Introduction

To explain: Reasons for the development of red color on addition of zinc is considered a negative test.

Introduction: Nitrate reduction test is performed to determine the capability of an organism to reduce nitrate to nitrite using an enzyme called nitrate reductase. During the nitrate reduction test, zinc powder is added to catalyze the reduction of nitrate to nitrite.

Answer 6

Chapter 5, Problem 28E.4RQ

Summary Introduction

To explain: Reasons for the development of red color on addition of zinc is considered a negative test.

Introduction: Nitrate reduction test is performed to determine the capability of an organism to reduce nitrate to nitrite using an enzyme called nitrate reductase. During the nitrate reduction test, zinc powder is added to catalyze the reduction of nitrate to nitrite.

Answer 7

Chapter 5, Problem 28E.4RQ

Summary Introduction

To explain: Reasons for the development of red color on addition of zinc is considered a negative test.

Introduction: Nitrate reduction test is performed to determine the capability of an organism to reduce nitrate to nitrite using an enzyme called nitrate reductase. During the nitrate reduction test, zinc powder is added to catalyze the reduction of nitrate to nitrite.

Answer 8

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