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ESQUEMA CICLO DE KREBS Y FOSFORILACIÓN OXIDATIVA

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El Ciclo de Krebs y la fosforilación oxidativa son etapas de la respiración celular que ocurren en la mitocondria. El primero produce compuestos energéticos y la segunda los utiliza para generar ATP, la principal fuente de energía de la célula.

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Secondary school
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ESO
Course
School year
5

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Uploaded on
January 16, 2026
Number of pages
1
Written in
2024/2025
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Presentation
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PRODUCTO 1:


ESQUEMA DE SECUENCIA
BIOQUÍMICA DE LA
RESPIRACIÓN CELULAR
Conjunto de reacciones químicas (glucólisis,
ciclo de Krebs y cadena transportadora de
electrones).
Se descompone la glucosa y se libera
energía.
Los protones e electrones liberados se usan
para sintetizar ATP.
Proceso metabólico que ocurre en las células para obtener Se produce CO₂ y H₂O como desechos.
energía (ATP) a partir de moléculas de glucosa. Dividida en:
1.Aeróbica: usa oxígeno (O₂).
2.Anaeróbica: ocurre sin oxígeno (O₂).
Permite transformar los nutrientes en energía útil para las
funciones vitales.

RESPIRACIÓN AERÓBICA
Y ANAERÓBICA
2 4
1 3 PRODUCCIÓN DE LA
ATP Y CO2


MITOCONDRIAS Resultado final: ATP (adenosín trifosfato),
fuente principal de energía celular.
CO₂ y agua son los productos de desecho.
Orgánulo celular conocido como “la El ATP se utiliza en todas las funciones
central energética”. vitales:
Es donde se realizan las etapas más 1.Movimiento
importantes de la respiración aeróbica: 2.Transporte
FUENTES:
1. Ciclo de Krebs CK-12 Foundation
2. Fosforilación oxidativa 3.Crecimiento Science direct
4.Reparación. Monash University
Convierte los nutrientes en energía (ATP).
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