Respiración anaeróbica.

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Presentation transcript:

Respiración anaeróbica

Balance: Glucosa  2 ácidos pirúvico + 2 ATP + 2 NADH Fructosa 1,6 bifosfato Gliceraldehido-3P Dihidroxicetona-P 2 NAD 4 ATP 2 NADH 2 ácido pirúvico Balance: Glucosa  2 ácidos pirúvico + 2 ATP + 2 NADH

Fermentación alcohólica 2 NADH 2 NAD 1 Glucosa 2 ác. pirúvico 2 acetaldehido 2 etanol 2 2 CO2 1: Piruvato descarboxilasa 2: Alcohol deshidrogenasa

3: lactato deshidrogenasa Fermentación láctica 2 NADH 2 NAD Glucosa 2 ác. pirúvico 2 ác. láctico 3 3: lactato deshidrogenasa

Fosforilación oxidativa MITOCONDRIA Ciclo de Krebs Fosforilación oxidativa CITOPLASMA Glucólisis RESPIRACIÓN AERÓBICA

Respiración aeróbica Glucosa Ac. pirúvico Acetil coA Matriz mitocondrial NADH FADH Nucleo GLUCOLISIS CICLO DE KREBS FOSFORILACION OXIDATIVA

NAD NADH Ac. pirúvico Acetil coA CoA SH CO2

Balance: Acetil coA  3 NADH + 1 FADH2 + 1 GTP (= ATP) Ciclo de Krebs Acetil coA Ac. oxalacético Ac. cítrico NADH NAD Ac. málico Ac. isocítrico NAD NADH Ac. fumárico Ac.  cetoglutárico FADH2 NAD FAD NADH Ac. succínico Succinil coA GTP GDP Balance: Acetil coA  3 NADH + 1 FADH2 + 1 GTP (= ATP)

Transporte de electrones y fosforilación oxidativa LADO C LADO M FP: Flavoproteina Q: Coenzima Q b: citocromo b c: citocromo c a: citocromo a

FOTOSINTESIS

Fotosíntesis anoxigénica o cíclica E L H+ 3H+ C2 C2 FeS P870 +0.5 P870 –1.0 Q Q bC1 H+ ADP ATP

Rhodobacter capsulatus R. sphaeroides Quinona A EL P870 EO = +0.5 P870 EO = -1.0 Citocromo bC1 Bacteriofeofitina Rhodobacter capsulatus R. sphaeroides Quinona A Citocromo C2 Quinona B Pool quinonas H2S, S2O2= SO, Fe2+ NADP H2 Transporte inverso electrones NADPH2

Fotosíntesis oxigénica o acíclica

Fotosíntesis oxigénica – fase luminosa

CICLO DE CALVIN & BENSON NADPH ATP CICLO DE CALVIN & BENSON Ac. 3 fosfoglicérico 3 fosfogliceraldehido CO2 P dihidroxiacetona Fructosa 1,6 di P P Ribulosa 1,5 di fosfato Ribosa 5 P Sedoheptulosa 1,7 di P Fructosa 6 P Ribulosa 5 P Sedoheptulosa 7 P Eritrosa 4 fosfato Xilulosa 5 P

C3

C4

C4 Oxalacetato Malato Malato NADP CO2 CO2 CALVIN NADPH PEP Piruvato Cloroplasto de célula del mesófilo Cloroplasto de célula de la vaina

CAM

NOCHE DIA Oxalacetato Malato Malato NADP CO2 VACUOLA CO2 CALVIN NADPH PEP Piruvato Piruvato CLOROPLASTO