Ciclo De Krebs Flashcards

1
Q

Menciona las 3 fases de la respiración celular

A
  1. Oxidación de moléculas de combustible orgánico para formar moléculas de 2 carbonos en forma de Acetil CoA
  2. Oxidación enzimatica del Acetil CoA a CO2 en el ciclo de krebs (energía liberada en forma de transportadores de e- reducidos NADH Y FADH2)
  3. Oxidación de coenzimas reducidas, liberando electrones y protones (cadena transportadora de e- y ATP sintasa) fosforilacion oxidativa
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2
Q
  1. Acetil CoA+ oxalacetato—>
A

Citrato

Enzima: Citrato sintasa

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3
Q
  1. Citrato—->
A

Cisaconitato
Enzima: aconitasa
(Deshidratación)

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4
Q
  1. Cisaconitato —>
A

Isocitrato
Enzima: aconitasa
Hidratación

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5
Q

4.Isocitrato—->

A

Oxanosuccionato
Enzima= Isocitrato deshidrogenasa
Oxidación
(NAD—>NADH)

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6
Q
  1. Oxanosuccinato —>
A

Alfa cetoglutarato
Enzima: Isocitrato deshidrogenasa
Descarboxila

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7
Q
  1. Alfa cetoglutarato—->
A

Succinil CoA
Enzima: alfa cetoglutarato deshidrogenasa activa
Descarboxilacion oxidativa
(NAD —-> NADH)

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8
Q
  1. Succinil CoA —>
A

Succinato
Enzima= Succinil CoA tioquinasa
Fosforilacion a nivel de sustrato
(GTP/ATP)

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9
Q

8.Succinato —->

A

Fumarato
Enzima: Succionato deshidrogenasa
(FAD-> FADH)
Oxidación

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10
Q
  1. Fumarato—>
A

Malato
Enzima: Fumarasa
Hidratación

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11
Q
  1. Malato—>
A

Oxalacetato
Enzima= Malato deshidrogenasa
Oxidación
NAD-> NADH

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