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Proton acceptor

proton acceptor

(Science: chemistry) A base, an anionic substance that acceptsa proton during an acid-basereaction.


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ETC - purpose of having different dehydrogenases?

... between the two is the fact that NDH-1 is a coupling site (so pumps out protons while transferring electrons) while NDH-2 is not; will not pump out ... thought e's were just being passed from NADH to the final e' acceptor. Is the benefit of having an NDH-2 to avoid the potential loss of ...

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by keetner
Sat Dec 15, 2012 2:28 am
 
Forum: Molecular Biology
Topic: ETC - purpose of having different dehydrogenases?
Replies: 1
Views: 2250

Proton gradient on cell membrane

Hello! I just read about ATP synthesis in bacteria, which use the proton gradient on the membrane to synthesize ATP. They establish this gradient ... the medium to produce ATP? In this case it would just need an electron acceptor on the inner side of the membrane to keep the cellular pH neutral, ...

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by EbseEbson
Sun Sep 12, 2010 4:12 pm
 
Forum: Microbiology
Topic: Proton gradient on cell membrane
Replies: 1
Views: 2488

aerobic and anaerobic glucose degeneration in a cell

... organisms. Aerobic refers to glycolysis in the presence of an electron acceptor and anaerobic refers to glycolysis without an electron acceptor. ... use of the reduced state of these molecules to fuel the production of a proton gradient. During this process NADH and FADH2 donate electrons to ETC ...

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by Jesse2504
Tue Jun 23, 2009 3:43 am
 
Forum: Cell Biology
Topic: aerobic and anaerobic glucose degeneration in a cell
Replies: 2
Views: 15570

The Fiber Disease

... the structure, function, and mechanism of quinone-mediated electron and proton transfer complexes of mitochondrial and photosynthesis electron transfer ... year is to elucidate the mechanism for NADH transfer between donor and acceptor pairs of dehydrogenases. In the classical mechanism, the acceptor ...

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by Nadas Moksha
Sun Nov 05, 2006 4:43 am
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 5409582

i dont understand chemiosynthesis. help?

Chemiosmosis reffers to storing energy under the form of a proton gradient. I will only explain the mechanism, and it is then up to you ... is taken over under the form of energised electrons by these electron acceptors: NAD+ and FAD. In the process called oxidative phosphorilation, the ...

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by MrMistery
Mon Mar 20, 2006 7:12 pm
 
Forum: Cell Biology
Topic: i dont understand chemiosynthesis. help?
Replies: 1
Views: 1817
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