During glycolysis, NAD+ turns into NADH + H+. Where do the 2 Hs come from?

Subject: During glycolysis, NAD+ turns into NADH + H+. Where do the 2 Hs come from?

Date: Wed Jun 3 13:48:03 2009
Posted by Zak
Grade level: 10-12 School: No school entered.
City: No city entered. State/Province: No state entered. Country: UK
Area of science: Biochemistry
ID: 1244062083.Bc

Message:


I'm learning glycolysis.  Every source I can find shows the glyceraldehyde
3-phosphate (PGAL) -> 1,3-bisphosphoglycerate (PGAP) step of glycolysis
converting NAD+ into NADH + H+.  When I count the total hydrogen atoms present,
I find there are five before but six afterwards.  Where's the extra hydrogen
coming from?

Re: During glycolysis, NAD+ turns into NADH + H+. Where do the 2 Hs come from?

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