10 réactions last four Flashcards

1
Q

Réaction 6:

A

Oxydation
Enzyme: Glycéraldéhyde 3- phosphate déshydrogénase
GAP + NAD+ +Pi———->1,3-bisphospho- glycerate+NADH,H+
1,3-bisphospho- glycerate

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1
Q

Réaction 7:

A

Transfert de phosphoryle Enzyme: Phosphoglycérate kinase
1,3-bisphospho- glycerate NOUS DONNE 3-phosphoglycerate
ADP devient ATP sens normale sens inverse Mg2+
Produit molécule Atp reversible

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2
Q

Réaction 8:

A

*isomérisation
*Enzyme: Phosphoglycérate mutase
*3-phosphoglycerate devient 2-phosphoglycerate

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3
Q

Réaction 9:

A

Réaction 9: **déshydratation **
*Enzyme: Enolase
2-phosphoglycerate puis perd H+ enolate intermediate puis perd OH- phosphoenolpyruvate

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4
Q

Réaction 10:

A

Réaction 10: Phosphorylation
Enzyme: Pyruvate Kinase
phosphoenolpyruvate puis phosphorylation ADP en ATP cede OPO3- enolpyruvate puis pyruvate
Réaction irréversible , Formation d’ATP+++

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