Glucose is phosphorylated into glucose-6-phosphate | Homework Help

In the first step of glycolysis, glucose is phosphorylated into Glucose-6-phosphate. But, it looks like the phosphate replaced ahydrogen. However, there is no mention of that hydrogen inthe book… what happened to it? Did it just go off as a H+?

Same thing for phosphorylation of fructose-6-phosphate intofructose-1,6-biphosphate… where did the hydrogen go?

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On a related note, what are the charges on ATP, ADP (and I assumethe phosphate group is the difference between the charges of ATPand ADP), and glucose-6-phosphate?

When a glyceraldehyde-3-phosphate turns into1,3-Bisphosphoglycerate, the book says NAD+ is turned into NADH +H+ in the process. That means 2 hydrogens were taken off theglyceraldehyde-3-phosphate, but the 12,3-Bisphosphoglycerate seemsto contain only 1 less hydrogen. What happened? Also, wheredoes the extra oxygen in the 12,3-Bisphosphoglycerate come from?


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