Dictionary » E » Electron carriers

Electron carriers

Definition

noun, plural: electron carriers

A molecule capable of accepting one (or more than one) electrons from another molecule (electron donor), and then ferry these electrons to donate to another during the process of electron transport.


Supplement

Nicotinamide adenine dinucleotide (NAD+) is an example of electron carrier. It carries electrons in redox reactions within the cells.


See also: electron transport chain


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Electron transport chain

Electrons are finally accepted by oxygen at the end of the electron transport chain. Is oxygen is accessible to the electrons in intermediate electron carriers? If so why electron is not accepted by oxygen at intermediate steps?

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by josem
Sun Jun 22, 2014 1:28 am
 
Forum: Cell Biology
Topic: Electron transport chain
Replies: 3
Views: 860

Question about metabolism and some chemical things?

... Like GTP is often used by GTPases or in Kreb's cycle. NAD and FAD are electron carriers or electron acceptors (depends on point of view), they are used by the dehydrogenases ...

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by JackBean
Tue Mar 15, 2011 2:11 pm
 
Forum: Molecular Biology
Topic: Question about metabolism and some chemical things?
Replies: 7
Views: 7944

Voltage in the electron-transport chain

As the electron carriers transfer electrons "downhill" does the voltage (free energy) decrease? or does it the voltage ...

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by hannahzarzar
Thu Jan 27, 2011 3:31 am
 
Forum: Cell Biology
Topic: Voltage in the electron-transport chain
Replies: 0
Views: 747

Photosynthetic Rates

... synthesis into light harvesting apparatus (photosystems, thylakoids, electron carriers) and less into carbon fixation apparatus (Calvin cycle enzymes). In higher light conditions ...

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by jonmoulton
Wed Mar 17, 2010 4:25 pm
 
Forum: General Discussion
Topic: Photosynthetic Rates
Replies: 4
Views: 5948

??? Not sure what is meant by energy carriers

What is meant by this question? What are the other energy carriers produced in glycolysis and the TCA cycle for energy transfer to the electron transfer chain? Is it referring to NADH and FADH2? (to be honest I dont even know what ...

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by lindyloo03
Mon Oct 05, 2009 5:05 am
 
Forum: General Discussion
Topic: ??? Not sure what is meant by energy carriers
Replies: 1
Views: 1094
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