Homework Help is Here – Start Your Trial Now!
Science
Biochemistry
Examine the reaction: B-Hydroxybutyrate + NAD* → Acetoacetate+ NADH + H* What is the AEº' of this redox reaction? The Relevant half reactions are: Acetoacetate + 2H* + 2e → B-hydroxybutyrate (E°' = -0.345V) NAD+ + H* + 2e → NADH (E°' = -0.320V) O +25mV +665mV -665mV -25mV

Examine the reaction: B-Hydroxybutyrate + NAD* → Acetoacetate+ NADH + H* What is the AEº' of this redox reaction? The Relevant half reactions are: Acetoacetate + 2H* + 2e → B-hydroxybutyrate (E°' = -0.345V) NAD+ + H* + 2e → NADH (E°' = -0.320V) O +25mV +665mV -665mV -25mV

Biochemistry
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
See similar textbooks
icon
Related questions
Question
100%
**Examine the Reaction:** \[ \text{β-Hydroxybutyrate} + \text{NAD}^+ \rightarrow \text{Acetoacetate} + \text{NADH} + \text{H}^+ \] **What is the \( \Delta E^\circ \) of this redox reaction?** **The Relevant Half Reactions are:** 1. \[ \text{Acetoacetate} + 2\text{H}^+ + 2\text{e}^- \rightarrow \text{β-hydroxybutyrate} \quad (E^\circ = -0.345\text{V}) \] 2. \[ \text{NAD}^+ + \text{H}^+ + 2\text{e}^- \rightarrow \text{NADH} \quad (E^\circ = -0.320\text{V}) \] **Options:** - ⃝ +25mV - ⃝ +665mV - ⃝ -665mV - ⃝ -25mV **Explanation:** To find \( \Delta E^\circ \), use the formula: \[ \Delta E^\circ = E^\circ_{\text{reduction}} - E^\circ_{\text{oxidation}} \] In this context: - \( E^\circ \) for the reduction of NAD\(^+\) is \(-0.320 \text{V} \) - \( E^\circ \) for the oxidation of β-hydroxybutyrate is \(-0.345 \text{V} \) \[ \Delta E^\circ = (-0.320 \text{V}) - (-0.345 \text{V}) = +0.025 \text{V} \text{ or } +25 \text{mV} \]
Transcribed Image Text:**Examine the Reaction:** \[ \text{β-Hydroxybutyrate} + \text{NAD}^+ \rightarrow \text{Acetoacetate} + \text{NADH} + \text{H}^+ \] **What is the \( \Delta E^\circ \) of this redox reaction?** **The Relevant Half Reactions are:** 1. \[ \text{Acetoacetate} + 2\text{H}^+ + 2\text{e}^- \rightarrow \text{β-hydroxybutyrate} \quad (E^\circ = -0.345\text{V}) \] 2. \[ \text{NAD}^+ + \text{H}^+ + 2\text{e}^- \rightarrow \text{NADH} \quad (E^\circ = -0.320\text{V}) \] **Options:** - ⃝ +25mV - ⃝ +665mV - ⃝ -665mV - ⃝ -25mV **Explanation:** To find \( \Delta E^\circ \), use the formula: \[ \Delta E^\circ = E^\circ_{\text{reduction}} - E^\circ_{\text{oxidation}} \] In this context: - \( E^\circ \) for the reduction of NAD\(^+\) is \(-0.320 \text{V} \) - \( E^\circ \) for the oxidation of β-hydroxybutyrate is \(-0.345 \text{V} \) \[ \Delta E^\circ = (-0.320 \text{V}) - (-0.345 \text{V}) = +0.025 \text{V} \text{ or } +25 \text{mV} \]
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps with 2 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Similar questions
Recommended textbooks for you
Biochemistry
Biochemistry
Biochemistry
ISBN:
9781319114671
Author:
Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:
W. H. Freeman
Lehninger Principles of Biochemistry
Lehninger Principles of Biochemistry
Biochemistry
ISBN:
9781464126116
Author:
David L. Nelson, Michael M. Cox
Publisher:
W. H. Freeman
Fundamentals of Biochemistry: Life at the Molecul…
Fundamentals of Biochemistry: Life at the Molecul…
Biochemistry
ISBN:
9781118918401
Author:
Donald Voet, Judith G. Voet, Charlotte W. Pratt
Publisher:
WILEY
Biochemistry
Biochemistry
Biochemistry
ISBN:
9781305961135
Author:
Mary K. Campbell, Shawn O. Farrell, Owen M. McDougal
Publisher:
Cengage Learning
Biochemistry
Biochemistry
Biochemistry
ISBN:
9781305577206
Author:
Reginald H. Garrett, Charles M. Grisham
Publisher:
Cengage Learning
Fundamentals of General, Organic, and Biological …
Fundamentals of General, Organic, and Biological …
Biochemistry
ISBN:
9780134015187
Author:
John E. McMurry, David S. Ballantine, Carl A. Hoeger, Virginia E. Peterson
Publisher:
PEARSON
SEE MORE TEXTBOOKS