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Glycolysis

Glycolysis. Step 1. Glucose. 2 ATP molecules donate 2 phosphates to the glucose molecule Glucose contains 6 carbon molecules. C-C-C-C-C-C. 2 ATP. 6 carbon compound. P-C-C-C-C-C-C-P. Stage 2.

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Glycolysis

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  1. Glycolysis

  2. Step 1 Glucose • 2 ATP molecules donate 2 phosphates to the glucose molecule • Glucose contains 6 carbon molecules C-C-C-C-C-C 2 ATP 6 carbon compound P-C-C-C-C-C-C-P

  3. Stage 2 • After the phosphate has been added the entire glucose phosphate molecule gets reorganized to form a fructose phosphate molecule.

  4. Step 2 6 carbon compound • 6 carbon molecule split into 2 molecules P-C-C-C-C-C-C-P PGAL P-C-C-C C-C-C-P

  5. Step 2 6 carbon compound • 6 carbon molecule split into 2 molecules P-C-C-C-C-C-C-P PGAL P-C-C-C C-C-C-P

  6. Step 3 2 molecules of PGAL P-C-C-C C-C-C-P • The 2 molecules of PGAL join with 2 NAD+ ions • Forming 2 new 3C molecules 2 NAD+ 2 NADH +2H+ 2 Phosphate 2 molecules of 3 Carbon compounds P-C-C-C-P P- C-C-C-P

  7. 2 molecules of 3 Carbon compounds Step 4 P-C-C-C-P P- C-C-C-P • 4 molecules of ADP combine with the 2- molecules from step 3 • This produces pyruvic acid AND 4 ATD 4 ADP 4 ATP 2 molecules pyruvic acid C-C-C C-C-C

  8. Simply put- • Glucose + 2 ATP = 2 Pyruvic acid + 4 ATP

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