Biochemistry: Concepts and Connections
Biochemistry: Concepts and Connections
1st Edition
ISBN: 9780321839923
Author: Dean R. Appling, Spencer J. Anthony-Cahill, Christopher K. Mathews
Publisher: PEARSON
Question
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Chapter 3, Problem 17P
Interpretation Introduction

(a)

Interpretation:

The non-equilibrium concentration of ethanol in yeast cells should be calculated.

Concept introduction:

The standard Gibbs free energy change is related to concentration of all the species involved in the reaction as follows:

ΔG = ΔG0 + RT ln Q

Here, ΔGo is standard Gibbs free energy change

ΔG is Gibbs free energy change

R is Universal gas constant

T is temperature

Q is reaction quotient

Interpretation Introduction

(b)

Interpretation:

The value of ΔG of the following reaction at pH = 7.4 and 370C should be calculated.

glucose + 2ADP + 2Pi + 2NAD+  2Pyruvate + 2ATP + 2H2O + 2NADH + 2H+

Concept introduction:

The standard Gibbs free energy change is related to concentration of all the species involved in the reaction as follows:

ΔG = ΔG0 + RT ln Q

Here, ΔGo is standard Gibbs free energy change

ΔG is Gibbs free energy change

R is Universal gas constant

T is temperature

Q is reaction quotient

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