Whether polyphenoloxidase requires a cofactor or not has to be determined. Concept Introduction: The reaction catalyzed by polyphenoloxidase is given as follows: However for efficient oxidation it requires Cu 2 + ions to be present at its active site.

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Answer 1

Question

Chapter 19, Problem 19.90QP

(a)

Interpretation Introduction

Interpretation:

Whether polyphenoloxidase requires a cofactor or not has to be determined.

Concept Introduction:

The reaction catalyzed by polyphenoloxidase is given as follows:

However for efficient oxidation it requires Cu2+ ions to be present at its active site.

(a)

Interpretation Introduction

Interpretation:

The nature of inhibition shown by phenylthiourea has to be determined.

Concept Introduction:

Certain inhibitors may compete to bind at the active site of the enzyme as they resemble the structure of the natural substrate of that particular enzyme. They may occupy the active site for a transient period of time as they are held by only weak forces and thus dissociate quickly. They are termed as reversible competitive inhibitors. Unlike the case of irreversible inhibition they are bound strongly via covalent interaction that does not allow the inhibitor to dissociate from the active site. The significance of such inhibition is that it can be reversed if the natural substrate can be bound to the enzyme with stronger forces or if the concentration of the natural substrate is increased.

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Answer 2

Question

Chapter 19, Problem 19.90QP

(a)

Interpretation Introduction

Interpretation:

Whether polyphenoloxidase requires a cofactor or not has to be determined.

Concept Introduction:

The reaction catalyzed by polyphenoloxidase is given as follows:

However for efficient oxidation it requires Cu2+ ions to be present at its active site.

(a)

Interpretation Introduction

Interpretation:

The nature of inhibition shown by phenylthiourea has to be determined.

Concept Introduction:

Certain inhibitors may compete to bind at the active site of the enzyme as they resemble the structure of the natural substrate of that particular enzyme. They may occupy the active site for a transient period of time as they are held by only weak forces and thus dissociate quickly. They are termed as reversible competitive inhibitors. Unlike the case of irreversible inhibition they are bound strongly via covalent interaction that does not allow the inhibitor to dissociate from the active site. The significance of such inhibition is that it can be reversed if the natural substrate can be bound to the enzyme with stronger forces or if the concentration of the natural substrate is increased.

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See solution

Answer 3

Question

Chapter 19, Problem 19.90QP

(a)

Interpretation Introduction

Interpretation:

Whether polyphenoloxidase requires a cofactor or not has to be determined.

Concept Introduction:

The reaction catalyzed by polyphenoloxidase is given as follows:

However for efficient oxidation it requires Cu2+ ions to be present at its active site.

(a)

Interpretation Introduction

Interpretation:

The nature of inhibition shown by phenylthiourea has to be determined.

Concept Introduction:

Certain inhibitors may compete to bind at the active site of the enzyme as they resemble the structure of the natural substrate of that particular enzyme. They may occupy the active site for a transient period of time as they are held by only weak forces and thus dissociate quickly. They are termed as reversible competitive inhibitors. Unlike the case of irreversible inhibition they are bound strongly via covalent interaction that does not allow the inhibitor to dissociate from the active site. The significance of such inhibition is that it can be reversed if the natural substrate can be bound to the enzyme with stronger forces or if the concentration of the natural substrate is increased.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 4

Question

Chapter 19, Problem 19.90QP

(a)

Interpretation Introduction

Interpretation:

Whether polyphenoloxidase requires a cofactor or not has to be determined.

Concept Introduction:

The reaction catalyzed by polyphenoloxidase is given as follows:

However for efficient oxidation it requires Cu2+ ions to be present at its active site.

(a)

Interpretation Introduction

Interpretation:

The nature of inhibition shown by phenylthiourea has to be determined.

Concept Introduction:

Certain inhibitors may compete to bind at the active site of the enzyme as they resemble the structure of the natural substrate of that particular enzyme. They may occupy the active site for a transient period of time as they are held by only weak forces and thus dissociate quickly. They are termed as reversible competitive inhibitors. Unlike the case of irreversible inhibition they are bound strongly via covalent interaction that does not allow the inhibitor to dissociate from the active site. The significance of such inhibition is that it can be reversed if the natural substrate can be bound to the enzyme with stronger forces or if the concentration of the natural substrate is increased.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 5

Chapter 19, Problem 19.90QP

(a)

Interpretation Introduction

Interpretation:

Whether polyphenoloxidase requires a cofactor or not has to be determined.

Concept Introduction:

The reaction catalyzed by polyphenoloxidase is given as follows:

However for efficient oxidation it requires Cu2+ ions to be present at its active site.

(a)

Interpretation Introduction

Interpretation:

The nature of inhibition shown by phenylthiourea has to be determined.

Concept Introduction:

Certain inhibitors may compete to bind at the active site of the enzyme as they resemble the structure of the natural substrate of that particular enzyme. They may occupy the active site for a transient period of time as they are held by only weak forces and thus dissociate quickly. They are termed as reversible competitive inhibitors. Unlike the case of irreversible inhibition they are bound strongly via covalent interaction that does not allow the inhibitor to dissociate from the active site. The significance of such inhibition is that it can be reversed if the natural substrate can be bound to the enzyme with stronger forces or if the concentration of the natural substrate is increased.

Answer 6

Chapter 19, Problem 19.90QP

(a)

Interpretation Introduction

Interpretation:

Whether polyphenoloxidase requires a cofactor or not has to be determined.

Concept Introduction:

The reaction catalyzed by polyphenoloxidase is given as follows:

However for efficient oxidation it requires Cu2+ ions to be present at its active site.

Answer 7

Chapter 19, Problem 19.90QP

(a)

Interpretation Introduction

Interpretation:

Whether polyphenoloxidase requires a cofactor or not has to be determined.

Concept Introduction:

The reaction catalyzed by polyphenoloxidase is given as follows:

However for efficient oxidation it requires Cu2+ ions to be present at its active site.

Answer 8

(a)

Interpretation Introduction

Interpretation:

The nature of inhibition shown by phenylthiourea has to be determined.

Concept Introduction:

Certain inhibitors may compete to bind at the active site of the enzyme as they resemble the structure of the natural substrate of that particular enzyme. They may occupy the active site for a transient period of time as they are held by only weak forces and thus dissociate quickly. They are termed as reversible competitive inhibitors. Unlike the case of irreversible inhibition they are bound strongly via covalent interaction that does not allow the inhibitor to dissociate from the active site. The significance of such inhibition is that it can be reversed if the natural substrate can be bound to the enzyme with stronger forces or if the concentration of the natural substrate is increased.

Answer 9

(a)

Interpretation Introduction

Interpretation:

The nature of inhibition shown by phenylthiourea has to be determined.

Concept Introduction:

Certain inhibitors may compete to bind at the active site of the enzyme as they resemble the structure of the natural substrate of that particular enzyme. They may occupy the active site for a transient period of time as they are held by only weak forces and thus dissociate quickly. They are termed as reversible competitive inhibitors. Unlike the case of irreversible inhibition they are bound strongly via covalent interaction that does not allow the inhibitor to dissociate from the active site. The significance of such inhibition is that it can be reversed if the natural substrate can be bound to the enzyme with stronger forces or if the concentration of the natural substrate is increased.

Answer 10

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Answer 11

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Answer 12

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Answer 13

Ch. 19.8 - Prob. 19.12Q Ch. 19.10 - Prob. 19.13Q Ch. 19.10 - Prob. 19.14Q Ch. 19.10 - Prob. 19.15Q Ch. 19.10 - Prob. 19.16Q Ch. 19.11 - Prob. 19.17Q Ch. 19.11 - Prob. 19.18Q Ch. 19.11 - Prob. 19.19Q Ch. 19.11 - Prob. 19.20Q Ch. 19 - Prob. 19.21QP

Whether polyphenoloxidase requires a cofactor or not has to be determined. Concept Introduction: The reaction catalyzed by polyphenoloxidase is given as follows: However for efficient oxidation it requires Cu 2 + ions to be present at its active site.

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Interpretation:

Whether polyphenoloxidase requires a cofactor or not has to be determined.

Concept Introduction:

The reaction catalyzed by polyphenoloxidase is given as follows:

However for efficient oxidation it requires Cu2+ ions to be present at its active site.

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Chapter 19 Solutions

Whether polyphenoloxidase requires a cofactor or not has to be determined. Concept Introduction: The reaction catalyzed by polyphenoloxidase is given as follows: However for efficient oxidation it requires Cu 2 + ions to be present at its active site.

Videos

Interpretation: Whether polyphenoloxidase requires a cofactor or not has to be determined. Concept Introduction: The reaction catalyzed by polyphenoloxidase is given as follows: However for efficient oxidation it requires Cu2+ ions to be present at its active site.

Want to see the full answer?

Chapter 19 Solutions

Interpretation:

Whether polyphenoloxidase requires a cofactor or not has to be determined.

Concept Introduction:

The reaction catalyzed by polyphenoloxidase is given as follows:

However for efficient oxidation it requires Cu2+ ions to be present at its active site.