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Electron Transport Chain Animation Overview (Chemiosmosis)

  • Written by Bovey Tracet Taxis | 25 Comments25 Comments Comments
    Last Updated: April 15th, 2010

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25 Comments

  1. #1
    MegaMinnieminnie
    April 15th, 2010 at 1:45 am

    @Sleduuschaya did you see that box below the vid where its written ‘Dagger biology-sept. 2000-see an overview of………..’ etcetcetc, you’ll find whatever stufff u need ther, LOL im sending this one freakin’ month after ur midterm :P

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  2. #2
    MegaMinnieminnie
    April 15th, 2010 at 1:49 am

    This video was concept clearing, but unfortunately its not useful for exams

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  3. #3
    wesselbindt
    April 15th, 2010 at 2:41 am

    @LyrikalButterfly Lol you cried in class.

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  4. #4
    davishkhkhk
    April 15th, 2010 at 3:25 am

    i’m not clear how it is called “oxidative ________”…. i mean…. you said it was powered by transfer of electrons to oxygen.

    i thought when reaction is called “oxidative ______”, it means it undergoes oxidation (removal of oxygen, addition of hydrogen and loss of electrons). When the electron is received by the oxygen, it becomes water. So technically it’s a removal of oxygen, isn’t it? so it would be reduction.

    okay… i’m confused. anyone who would like to clear this up for me?

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  5. #5
    Luckyxseven
    April 15th, 2010 at 3:39 am

    simply beautiful :)

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  6. #6
    undrscore08
    April 15th, 2010 at 4:22 am

    @FutureMrsJonas28 phosphate. same ‘P’ in ATP and ADP (which stands for adenosine TRIphosphate and adenosine DIphosphate, so ADP+P=ATP). hope that helps?

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  7. #7
    FutureMrsJonas28
    April 15th, 2010 at 4:40 am

    what does the letter P in the yellow circle mean?

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  8. #8
    SloVidek
    April 15th, 2010 at 4:53 am

    Nice video!
    There is only one mistake; when H+ is returning into intermembrane space, ATP sinthase uses 3 H+ per 1ATP, not 2 – as shown at animation.

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  9. #9
    Sleduuschaya
    April 15th, 2010 at 5:51 am

    @INDZ5 Yeah that! Now if I could only find a 2 minute explanation of TCA cycle and another 2 minute explanation of glycolysis, I’s be set (midterm is tomorrow…)

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  10. #10
    ghettogeekmike
    April 15th, 2010 at 6:45 am

    @Murphly
    It’s really 1/2 O2.
    At Complex IV, 1/2 O2 + 2H+ come in (oxygen can only bind to 1 electron at a time) and leave as water H2O.
    …I don’t know how they come up with this stuff…

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  11. #11
    INDZ5
    April 15th, 2010 at 7:24 am

    WOOW what the fudge.. you make it look soo simple.. i wish you were my professor.. still going to fail tomorow…

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  12. #12
    Jeeperanthony
    April 15th, 2010 at 7:49 am

    They, along with O from the glucose form 6CO2

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  13. #13
    jasondanielpruitt
    April 15th, 2010 at 7:51 am

    my brain just exploded

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  14. #14
    saykarpaudel
    April 15th, 2010 at 8:12 am

    because the sky is high

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  15. #15
    cubed07
    April 15th, 2010 at 8:31 am

    The other oxygen atoms are used to oxidize NADH to NAD+, this is how electrons are transported through a seried of oxidation and reduction reacitons. Also some get converted through the citric acid cycle to CO2

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  16. #16
    rickiex
    April 15th, 2010 at 8:34 am

    it is released as heat energy. if im not wrong

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  17. #17
    goeypatatoes
    April 15th, 2010 at 9:09 am

    Why?

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  18. #18
    Murphly
    April 15th, 2010 at 9:12 am

    6 O2 goes into cell respiration and 6 H2O comes out. What happens to the other 6 oxygen atoms?

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  19. #19
    JamesBonedOO7
    April 15th, 2010 at 9:39 am

    The oxygen captures the electrons. Without it, the electrons buil up and have nowhere to go and therefore there is a build up of NADH and not enough NAD+ to continue glycolysis and Krebs Cycle, therefore the cell reverts to anaerobic respiration.

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  20. #20
    dukemike55
    April 15th, 2010 at 10:21 am

    The water is a byproduct. It serves no purpose but to prevent the build-up of low-energy electrons from building up on the inside of the membrane.

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  21. #21
    kylejones7
    April 15th, 2010 at 10:59 am

    @yelir92 Oxygen acts as the receptor of the electrons, and oxygen with extra electrons pairs with water.

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  22. #22
    deepwatermelonful
    April 15th, 2010 at 11:27 am

    the oxygen receives the used electrons and creates water which is released as sweat.

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  23. #23
    yelir92
    April 15th, 2010 at 11:34 am

    What is the point of the production of the water molecules close to the end?

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  24. #24
    pharmacist92
    April 15th, 2010 at 12:24 pm

    this wonderful

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  25. #25
    NidhiParekh91
    April 15th, 2010 at 12:41 pm

    Chemiosmosis- is just that concentration gradient of the protons in inner membrane.

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