respiration

[joonkimdds]

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This is the first problem of Kaplan that DMD to be posted and I am stuck already 🙁

C6H12O6 + O2 ==> CO2 + H20
This process is completed

answer is "in the mitochondria"

I can't understand it even after reading the explanation.
First of all, is it ok that this reaction isn't balanced?

second of all, it seems that glucose became CO2 and I don't know when that happens in respiration.
It says glucose meets oxygen but since glycolysis is anaerobic, I don't think reactant side has something to do with glycolysis.
6C(glucose) become 2 pyravate acid(2 of 3C) and each loses 1C to become 2C and enters krebs cycle. The 2c combines with 4C to become 6C. 2CO2 r released and 4CO2 goes back to the cycle.

so...when did it ever become 1CO2?

 

[jackbauer!]

if you've been studying 10-15 hrs/day and you still can't figure this out?

jb!

 

[joonkimdds]

oh wait...is it ETC?
If it is, i know that H2O forms, but i still don't know about CO2

 

[aranjuez]

joon, TCA cycle.

 

[djeffreyt]

go with your gut instincts and stop thinking so hard about it...maybe that will help

 

[joonkimdds]

joon, TCA cycle.

CO2 is made from TCA cycle???

 

[aranjuez]

CO2 comes off at a few points in the TCA cycle.

http://www.med.unibs.it/~marchesi/tcapath.gif

aranjuez