What do the electrons added to NAD^+ do? a. They become part of a fermentation pathway. b. They

Name: Problem 9, Chapter 4: Concepts of Biology
Uploaded: 2020-05-28T00:35:40-08:00
Duration: 31 s
Channel: Joanna Quigley
Description: What do the electrons added to NAD^+ do? a. They become part of a fermentation pathway. b. They go to another pathway for ATP production. c. They energize the entry of the acetyl group into the citric acid cycle. d. They are converted into NADP.

step 1 Here we're looking at NAD plus and what happens when we add electrons to it. What do these elect

Question

What do the electrons added to $\mathrm{NAD}^{+}$ do? a. They become part of a fermentation pathway. b. They go to another pathway for ATP production. c. They energize the entry of the acetyl group into the citric acid cycle. d. They are converted into NADP.

   What do the electrons added to $\mathrm{NAD}^{+}$ do?
a. They become part of a fermentation pathway.
b. They go to another pathway for ATP production.
c. They energize the entry of the acetyl group into the citric acid cycle.
d. They are converted into NADP.

Concepts of Biology

Samantha Fowler,… 1st Edition

Chapter 4, Problem 9

Instant Answer

Solved by Expert Joanna Quigley

05/28/2020

Step 1

$\mathrm{NAD}^{+}$ is a coenzyme that acts as an electron carrier in cellular respiration and photosynthesis. When electrons are added to $\mathrm{NAD}^{+}$, it is reduced to $\mathrm{NADH}$. Show more…

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What do the electrons added to $\mathrm{NAD}^{+}$ do? a. They become part of a fermentation pathway. b. They go to another pathway for ATP production. c. They energize the entry of the acetyl group into the citric acid cycle. d. They are converted into NADP.

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Key Concepts

Redox Reactions

Redox (reduction-oxidation) reactions are fundamental chemical processes where one molecule loses electrons (is oxidized) and another gains electrons (is reduced). In metabolism, this concept is essential as it explains how molecules like NAD+ accept electrons during the breakdown of nutrients.

Electron Carriers (NAD+/NADH)

NAD+ is a key electron carrier in cells which, upon accepting electrons during metabolic reactions, is converted to its reduced form, NADH. This transformation is central to transferring energy within the cell, enabling subsequent reactions that lead to energy production.

Metabolic Energy Transfer

The electrons captured by carriers such as NAD+ carry potential energy that is later used in various energy-producing pathways. These electrons help drive reactions in processes like the conversion of pyruvate to acetyl-CoA and eventually fuel ATP production through pathways such as the citric acid cycle and the electron transport chain.

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