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Proton gradient

Proton gradient

in biology, the proton gradient may be used as an intermediate energy source for heat and flagellar rotation. It results from the higher concentration of protons outside the inner membrane of the mitochondria than inside the membrane, and becomes the driving force behind atp synthesis/hydrolysis.


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aerobic and anaerobic glucose degeneration in a cell

... 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 Complex 1 and 2. Complex ...

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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: 266

Re: Clarification of the Various Metabolic Pathways

... cytochromes involved in the transport system and your friendly local proton gradient, which finally results in all those reducing equivalents being used to reduce oxygen ...

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by blcr11
Mon Apr 21, 2008 9:20 am
 
Forum: General Discussion
Topic: Clarification of the Various Metabolic Pathways
Replies: 3
Views: 567

Clarification of the Various Metabolic Pathways

... Electron Transport Chain Oxidative Phosphorylation ATP Synthesis Via Proton Gradient Here's my understanding of it so far: you use starch to form glycogen that you store, ...

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by seabreeze
Mon Apr 21, 2008 5:58 am
 
Forum: General Discussion
Topic: Clarification of the Various Metabolic Pathways
Replies: 3
Views: 567

Oxidative Phosphorylation

... the complexes, each time the energy drops for the electron, it powers a proton pump. I think the confusion is that the protons from NADH are NOT related to the protons that form the proton gradient for the atp synthase pump.

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by mith
Sun Apr 13, 2008 7:59 am
 
Forum: Cell Biology
Topic: Oxidative Phosphorylation
Replies: 4
Views: 755

how do proton pumps help regulate the size of stomata?

... the question. ok, so yes, the light phase of photosynthesis does pump protons into the tylakoidal lumen, creating a gradient that is used later in photophosphorilation to make ATP. There is also some proton ...

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by MrMistery
Thu Jan 10, 2008 1:49 pm
 
Forum: Cell Biology
Topic: how do proton pumps help regulate the size of stomata?
Replies: 2
Views: 1134
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