Electron Transport Chain Animation Overview (Chemiosmosis)
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August 27th, 2010 at 1:30 pm
thanks so much! this video really helped!
August 27th, 2010 at 2:15 pm
@LyrikalButterfly no, thank FSM
August 27th, 2010 at 2:36 pm
actually, i thought about it more…. the entropy must decrease too much, overcoming the release of energy needed for the gibbs free energy or something to be favorable for spontaneity. right?
August 27th, 2010 at 2:53 pm
i have never understood why it takes energy to make ATP from ADP. adding a third phosphate should be like making a bond, which is exothermic. why doesn’t this occur spontaneously?
August 27th, 2010 at 3:20 pm
@DrMrCesar thats exactly what i said.. except im more precise.. 32 are made due to NADH being 2.5 atps and FADH being 1.5 atps
August 27th, 2010 at 3:23 pm
@23crazy23 somewhere between 30 and 36 ATPs are produced by the oxidative phosphorylation of the 10 NADH and 2 succinate molecules made by converting one molecule of glucose to carbon dioxide and water. font: wikipedia
August 27th, 2010 at 3:31 pm
it’s so much easier and fun studying on youtube
August 27th, 2010 at 4:28 pm
34 atp are not produced in oxidative phosphorylation.. its 32!
August 27th, 2010 at 4:43 pm
THANK YOU SO MUCH!
August 27th, 2010 at 5:21 pm
if i cud kiss u i wud, dude/dudette, u practically saved my life!
August 27th, 2010 at 5:57 pm
absolutely fab!! have an exam on it tomorrow and was getting more and more confused until i came across this. Thank you!!!
August 27th, 2010 at 6:08 pm
really amazing and useful! thank you!
August 27th, 2010 at 6:37 pm
@LyrikalButterfly thanx 2 technology 4 impacting our knowledge base]
August 27th, 2010 at 7:05 pm
@davishkhkhk after the electrons are transferred through the transport chain they used their stored energy to add a phosphate bond to ADP and create ATP. The chemical bond energy stored in the third phosphate is what the cell uses to perform other energy related functions.
August 27th, 2010 at 7:25 pm
@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
August 27th, 2010 at 7:56 pm
This video was concept clearing, but unfortunately its not useful for exams
August 27th, 2010 at 8:47 pm
@LyrikalButterfly Lol you cried in class.
August 27th, 2010 at 9:38 pm
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?
August 27th, 2010 at 10:19 pm
simply beautiful
August 27th, 2010 at 11:10 pm
@FutureMrsJonas28 phosphate. same ‘P’ in ATP and ADP (which stands for adenosine TRIphosphate and adenosine DIphosphate, so ADP+P=ATP). hope that helps?
August 28th, 2010 at 12:07 am
what does the letter P in the yellow circle mean?
August 28th, 2010 at 12:57 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.
August 28th, 2010 at 1:50 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…)
August 28th, 2010 at 2:03 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…
August 28th, 2010 at 2:35 am
WOOW what the fudge.. you make it look soo simple.. i wish you were my professor.. still going to fail tomorow…