2 - IBMC
2 - IBMC
2 - IBMC
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Calcul de la variation d’énergie libre à partir des potentiels rédox<br />
a) pyruvate + NADH + H + lactate + NAD +<br />
b) pyruvate + 2 H + + 2 e - lactate<br />
E’ 0 = -0,19 V<br />
c) NAD + + 2 e - + 2 H + NADH + H + E’ 0 = -0,32 V<br />
b - c = a<br />
pyruvate + H + + NADH lactate + NAD +<br />
ΔE’ 0 = E’ 0 b) - E’ 0 c)<br />
= -0,19 - (-0,32)<br />
= +0,13 V