The effect in the rate of an enzyme-catalysed reaction has to be determined if temperature is decreased from 40°C to 1 0°C for an enzyme that has its maximum activity at body temperature ( about 37°C ) . Concept Introduction: Enzyme: It is a protein or a molecule which can act as a catalyst for a biological reaction. Does not affect the equilibrium point of the reaction. Active site of the enzyme is the region where the reaction takes place. Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme. Factors affecting enzyme activity: Substrate concentration Enzyme concentration Temperature pH

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Answer 1

Question

Chapter 19, Problem 19.57AP

(a)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction has to be determined if temperature is decreased from 40°C to 10°C for an enzyme that has its maximum activity at body temperature (about 37°C).

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

Temperature

pH

(b)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction has to be determined if a drop of dilute Hg2Cl2 solution is added.

Concept Introduction:

The competition of an enzyme can be reversible or irreversible and in reversible inhibition, the inhibitor can leave and in irreversible inhibition, the inhibitor remains permanently bound.

Reversible Competitive inhibition: It is a type of inhibition occurs when the inhibitor resembles very much to the substrate and thus prevents the substrate binding.

Irreversible competitive inhibition: It is a type of inhibition in which an inhibitor forms covalent bonds to the active site and thereby permanently blocking it.

(c)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction has to be determined if oxidising agent such as H2O2 is added.

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

pH

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Answer 2

Question

Chapter 19, Problem 19.57AP

(a)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction has to be determined if temperature is decreased from 40°C to 10°C for an enzyme that has its maximum activity at body temperature (about 37°C).

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

Temperature

pH

(b)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction has to be determined if a drop of dilute Hg2Cl2 solution is added.

Concept Introduction:

The competition of an enzyme can be reversible or irreversible and in reversible inhibition, the inhibitor can leave and in irreversible inhibition, the inhibitor remains permanently bound.

Reversible Competitive inhibition: It is a type of inhibition occurs when the inhibitor resembles very much to the substrate and thus prevents the substrate binding.

Irreversible competitive inhibition: It is a type of inhibition in which an inhibitor forms covalent bonds to the active site and thereby permanently blocking it.

(c)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction has to be determined if oxidising agent such as H2O2 is added.

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

pH

Expert Solution & Answer

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Answer 3

Question

Chapter 19, Problem 19.57AP

(a)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction has to be determined if temperature is decreased from 40°C to 10°C for an enzyme that has its maximum activity at body temperature (about 37°C).

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

Temperature

pH

(b)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction has to be determined if a drop of dilute Hg2Cl2 solution is added.

Concept Introduction:

The competition of an enzyme can be reversible or irreversible and in reversible inhibition, the inhibitor can leave and in irreversible inhibition, the inhibitor remains permanently bound.

Reversible Competitive inhibition: It is a type of inhibition occurs when the inhibitor resembles very much to the substrate and thus prevents the substrate binding.

Irreversible competitive inhibition: It is a type of inhibition in which an inhibitor forms covalent bonds to the active site and thereby permanently blocking it.

(c)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction has to be determined if oxidising agent such as H2O2 is added.

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

pH

Expert Solution & Answer

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Answer 4

Question

Chapter 19, Problem 19.57AP

(a)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction has to be determined if temperature is decreased from 40°C to 10°C for an enzyme that has its maximum activity at body temperature (about 37°C).

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

Temperature

pH

(b)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction has to be determined if a drop of dilute Hg2Cl2 solution is added.

Concept Introduction:

The competition of an enzyme can be reversible or irreversible and in reversible inhibition, the inhibitor can leave and in irreversible inhibition, the inhibitor remains permanently bound.

Reversible Competitive inhibition: It is a type of inhibition occurs when the inhibitor resembles very much to the substrate and thus prevents the substrate binding.

Irreversible competitive inhibition: It is a type of inhibition in which an inhibitor forms covalent bonds to the active site and thereby permanently blocking it.

(c)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction has to be determined if oxidising agent such as H2O2 is added.

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

pH

Expert Solution & Answer

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See solution

Answer 5

Chapter 19, Problem 19.57AP

(a)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction has to be determined if temperature is decreased from 40°C to 10°C for an enzyme that has its maximum activity at body temperature (about 37°C).

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

Temperature

pH

(b)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction has to be determined if a drop of dilute Hg2Cl2 solution is added.

Concept Introduction:

The competition of an enzyme can be reversible or irreversible and in reversible inhibition, the inhibitor can leave and in irreversible inhibition, the inhibitor remains permanently bound.

Reversible Competitive inhibition: It is a type of inhibition occurs when the inhibitor resembles very much to the substrate and thus prevents the substrate binding.

Irreversible competitive inhibition: It is a type of inhibition in which an inhibitor forms covalent bonds to the active site and thereby permanently blocking it.

(c)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction has to be determined if oxidising agent such as H2O2 is added.

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

pH

Answer 6

Chapter 19, Problem 19.57AP

(a)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction has to be determined if temperature is decreased from 40°C to 10°C for an enzyme that has its maximum activity at body temperature (about 37°C).

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

Temperature

pH

Answer 7

Chapter 19, Problem 19.57AP

(a)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction has to be determined if temperature is decreased from 40°C to 10°C for an enzyme that has its maximum activity at body temperature (about 37°C).

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

Temperature

pH

Answer 8

(b)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction has to be determined if a drop of dilute Hg2Cl2 solution is added.

Concept Introduction:

The competition of an enzyme can be reversible or irreversible and in reversible inhibition, the inhibitor can leave and in irreversible inhibition, the inhibitor remains permanently bound.

Reversible Competitive inhibition: It is a type of inhibition occurs when the inhibitor resembles very much to the substrate and thus prevents the substrate binding.

Irreversible competitive inhibition: It is a type of inhibition in which an inhibitor forms covalent bonds to the active site and thereby permanently blocking it.

Answer 9

(b)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction has to be determined if a drop of dilute Hg2Cl2 solution is added.

Concept Introduction:

The competition of an enzyme can be reversible or irreversible and in reversible inhibition, the inhibitor can leave and in irreversible inhibition, the inhibitor remains permanently bound.

Reversible Competitive inhibition: It is a type of inhibition occurs when the inhibitor resembles very much to the substrate and thus prevents the substrate binding.

Irreversible competitive inhibition: It is a type of inhibition in which an inhibitor forms covalent bonds to the active site and thereby permanently blocking it.

Answer 10

(c)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction has to be determined if oxidising agent such as H2O2 is added.

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

pH

Answer 11

(c)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction has to be determined if oxidising agent such as H2O2 is added.

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

pH

Answer 12

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Answer 13

Expert Solution & Answer

Answer 14

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Answer 15

Ch. 19.1 - Prob. 19.1P Ch. 19.1 - The enzyme LDH converts lactate to pyruvate. In...Ch. 19.2 - The cofactors NAD+, Cu2+, Zn2+, coenzyme A, FAD,...Ch. 19.3 - Describe the reactions that you would expect these...Ch. 19.3 - Prob. 19.5P Ch. 19.3 - Prob. 19.6P Ch. 19.3 - Prob. 19.7P Ch. 19.3 - Prob. 19.8P Ch. 19.4 - Prob. 19.9KCP Ch. 19.5 - Prob. 19.10KCP

Solution Summary: The author explains that the rate of an enzyme-catalysed reaction is determined if a drop of dilute solution is used.

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Chapter 19 Solutions