ATP in cellular respiration...kaplan wrong or right?

[lilchinoboy03]

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hey all...so in my kaplan diagnostic it asks...how many ATP results from NADH...and also how many ATP results from all of cellular respiration...well according to kaplan's key...it says that in glycolysis...NADH-->2 ATP and in cytoplasm (Kreb's and PDC) it results in 3 ATP...but i learned in my biochem class and textbook says that it is 1.5 from glyc. and 2.5 from cytoplasm...resulting in 30-32 ATP...because glyc. NADH can take some pathway to result in 2.5 as well...but kaplan is saying 3 for cyto. and 2 for glyc NADH resulting in 36 ATP...anyone have a question liks this on DAT...i dont know what to go with here

 

[Dr. juju]

hey all...so in my kaplan diagnostic it asks...how many ATP results from NADH...and also how many ATP results from all of cellular respiration...well according to kaplan's key...it says that in glycolysis...NADH-->2 ATP and in cytoplasm (Kreb's and PDC) it results in 3 ATP...but i learned in my biochem class and textbook says that it is 1.5 from glyc. and 2.5 from cytoplasm...resulting in 30-32 ATP...because glyc. NADH can take some pathway to result in 2.5 as well...but kaplan is saying 3 for cyto. and 2 for glyc NADH resulting in 36 ATP...anyone have a question liks this on DAT...i dont know what to go with here

I learned the same way as kaplan in my biochem class. NADH from glyc is 2, ATP is two (but net is 2 because of transfering to inner mitoch). CTA is 2 ATP (basically GTP), and ETC is 32 (oxidative phosphorylation). it sums it up to 36.
you can also google it. but I'm pretty sure that's how it goes

 

[joonkimdds]

hey all...so in my kaplan diagnostic it asks...how many ATP results from NADH...and also how many ATP results from all of cellular respiration...well according to kaplan's key...it says that in glycolysis...NADH-->2 ATP and in cytoplasm (Kreb's and PDC) it results in 3 ATP...but i learned in my biochem class and textbook says that it is 1.5 from glyc. and 2.5 from cytoplasm...resulting in 30-32 ATP...because glyc. NADH can take some pathway to result in 2.5 as well...but kaplan is saying 3 for cyto. and 2 for glyc NADH resulting in 36 ATP...anyone have a question liks this on DAT...i dont know what to go with here

Each NADH yiields 3ATP except NADH from glycolysis produces 2ATP.
Every FADH2 yields 2ATP

 

[NilamPatel]

it produces 2 because it can't cross the inner mitochondrial membrane so they need an intermediate carrier molecule to take it to a ubiquinone

 

[aranjuez]

lilchinoboy03,

Your way is correct. I leanred it that way in my biochem classes as well; it's more accurate. Unfortunately, the standard answer of 36-38 ATP is still what's applied in the DAT. Just go with the 36-38, and you'll be fine.

aranjuez

 

[ruben22]

lilchinoboy03:

the person above me is CORRECT - I learned the same thing in my biochem class, but we'll have to go with 36-38, unfortunately.