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Coupled transport

Coupled transport

The linked, simultaneous transport of two substances across a cell membrane (or another intracellular membrane). If the two substances are moving in the same direction (both into the cell or both out of the cell) it is called symport. If the two substances are moving in opposite directions (one moves into the cell while the other moves out) it is called antiport.

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Re: TCA inhibitor

... tell you exactly how it happens, but look closely at where the electron transport chain in oxidative phosphorylation. On the inner membrane of the ... malonate. Now, the isomerisation action of succinate dehydrogenase is coupled with a Coenzyme 6Q - 6QH2 synthesis reaction at site II of the electron ...

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by billyfisher100
Fri Jan 20, 2012 1:21 am
Forum: Cell Biology
Topic: TCA inhibitor
Replies: 3
Views: 8117

Reasons for Skepticism on the Endosymbiosis?

... mitochondrial processes of oxidative phosphorylation and the electron transport chain. The bacterial cell alone could not meet these energy demands. ... introns and independent from the nuclear DNA) in which transcription is coupled to translation, characteristic of bacterial DNA. There are also ...

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by SuperfluousAvatar
Thu Jan 12, 2012 7:43 pm
Forum: Cell Biology
Topic: Reasons for Skepticism on the Endosymbiosis?
Replies: 0
Views: 7667

electron transport chain

1) use of H+ and oxygen is not coupled. What is coupled is transport of H+ and production of ATP. That's the difference between using uncouplers and inhibitors of ...

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by JackBean
Sat Apr 24, 2010 12:07 pm
Forum: Cell Biology
Topic: electron transport chain
Replies: 6
Views: 5608

Biology IQ test: How smart are you = look

... water into oxygen. 13) The oxygen generated by photosynthesis is coupled with the removal of electrons from water in PSI. 14) Plants perform ... that use hydrogen sulfide as a terminal electron sink in their electron transport system B) They are autotrophs which reduce the hydrogen sulfide ...

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by DemiMike
Sat Nov 28, 2009 6:21 am
Forum: General Discussion
Topic: Biology IQ test: How smart are you = look
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Poisoned by antibiotics...can anyone help?

... a quinolone, I had been on an extremely strong course of Amoxicillin coupled with Flagyl, which amounts to the same thing. Toxic poison. These ... preferentially binding potassium. This interferes with potassium transport across mitchondrial membranes, resulting in low intracellular energy ...

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by Lesley998
Wed Oct 21, 2009 9:56 pm
Forum: Human Biology
Topic: Poisoned by antibiotics...can anyone help?
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Views: 90996
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