Whether “glutamic acid + ammonia + ATP” or “glutamine + ATP +P i ” has more free energy. Concept introduction: Gibbs free energy is the energy present in the system that can perform work under the condition of uniform temperature and pressure. It is denoted by G. In a chemical reaction , change in free energy of initial and final state is represented by ΔG . If ΔG is negative then the reaction will proceed spontaneously and if it is positive the reaction will require input of energy from outside to proceed.

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Answer 1

Question

Chapter 6.3, Problem 2CC

Summary Introduction

To determine:

Whether “glutamic acid + ammonia + ATP” or “glutamine + ATP +P_i” has more free energy.

Concept introduction:

Gibbs free energy is the energy present in the system that can perform work under the condition of uniform temperature and pressure. It is denoted by G.

In a chemical reaction, change in free energy of initial and final state is represented by ΔG . If ΔG is negative then the reaction will proceed spontaneously and if it is positive the reaction will require input of energy from outside to proceed.

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The hydrolysis of the phosphoester bond of ATP releases a large amount of free energy. True or false?

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A chemical reaction has a △G of -14 kcal/mol. Adding an enzyme has been shown to increase the reaction 10-fold. What would be the △G of the reaction when that enzyme is added? A) -1.4 kcal/mol B) -14 kcal/mol C) +14 kcal/mol D) -140 kcal/mol

Answer 2

Question

Chapter 6.3, Problem 2CC

Summary Introduction

To determine:

Whether “glutamic acid + ammonia + ATP” or “glutamine + ATP +P_i” has more free energy.

Concept introduction:

Gibbs free energy is the energy present in the system that can perform work under the condition of uniform temperature and pressure. It is denoted by G.

In a chemical reaction, change in free energy of initial and final state is represented by ΔG . If ΔG is negative then the reaction will proceed spontaneously and if it is positive the reaction will require input of energy from outside to proceed.

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Answer 3

Question

Chapter 6.3, Problem 2CC

Summary Introduction

To determine:

Whether “glutamic acid + ammonia + ATP” or “glutamine + ATP +P_i” has more free energy.

Concept introduction:

Gibbs free energy is the energy present in the system that can perform work under the condition of uniform temperature and pressure. It is denoted by G.

In a chemical reaction, change in free energy of initial and final state is represented by ΔG . If ΔG is negative then the reaction will proceed spontaneously and if it is positive the reaction will require input of energy from outside to proceed.

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Answer 4

Question

Chapter 6.3, Problem 2CC

Summary Introduction

To determine:

Whether “glutamic acid + ammonia + ATP” or “glutamine + ATP +P_i” has more free energy.

Concept introduction:

Gibbs free energy is the energy present in the system that can perform work under the condition of uniform temperature and pressure. It is denoted by G.

In a chemical reaction, change in free energy of initial and final state is represented by ΔG . If ΔG is negative then the reaction will proceed spontaneously and if it is positive the reaction will require input of energy from outside to proceed.

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Answer 5

Chapter 6.3, Problem 2CC

Summary Introduction

To determine:

Whether “glutamic acid + ammonia + ATP” or “glutamine + ATP +P_i” has more free energy.

Concept introduction:

Gibbs free energy is the energy present in the system that can perform work under the condition of uniform temperature and pressure. It is denoted by G.

In a chemical reaction, change in free energy of initial and final state is represented by ΔG . If ΔG is negative then the reaction will proceed spontaneously and if it is positive the reaction will require input of energy from outside to proceed.

Answer 6

Chapter 6.3, Problem 2CC

Summary Introduction

To determine:

Whether “glutamic acid + ammonia + ATP” or “glutamine + ATP +P_i” has more free energy.

Concept introduction:

Gibbs free energy is the energy present in the system that can perform work under the condition of uniform temperature and pressure. It is denoted by G.

In a chemical reaction, change in free energy of initial and final state is represented by ΔG . If ΔG is negative then the reaction will proceed spontaneously and if it is positive the reaction will require input of energy from outside to proceed.

Answer 7

Chapter 6.3, Problem 2CC

Summary Introduction

To determine:

Whether “glutamic acid + ammonia + ATP” or “glutamine + ATP +P_i” has more free energy.

Concept introduction:

Gibbs free energy is the energy present in the system that can perform work under the condition of uniform temperature and pressure. It is denoted by G.

In a chemical reaction, change in free energy of initial and final state is represented by ΔG . If ΔG is negative then the reaction will proceed spontaneously and if it is positive the reaction will require input of energy from outside to proceed.

Answer 8

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Answer 9

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Answer 10

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Answer 11

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Solution Summary: The author explains that the formation of glutamine occurs in two steps: the glutamic acid is phosphorylated by ATP making it less stable, and the ammonia displace the phosphate group.

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