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Capítulo 19

Mitocôndrias e Produção de Energia

Mitocôndrias
Mitocôndrias
Mitochondria are eukaryotic cellular organelles that are known to produce energy through a process called oxidative phosphorylation. Besides their primary ...
Membranas Mitocondriais
Membranas Mitocondriais
A single mitochondrion is a bean-shaped organelle enclosed by a double-membrane system. The outer membrane of mitochondria is smooth and contains many ...
A Membrana Interna Mitocondrial
A Membrana Interna Mitocondrial
The inner mitochondrial membrane is the primary site of ATP synthesis. The inner membrane domain that forms a smooth layer adjacent to the outer membrane ...
O Ciclo do Ácido Cítrico: Visão Geral
O Ciclo do Ácido Cítrico: Visão Geral
In aerobic organisms, the citric acid cycle is the second stage of cellular respiration wherein molecules derived from the breakdown of carbohydrates, ...
O Ciclo do Ácido Cítrico: Rendimento
O Ciclo do Ácido Cítrico: Rendimento
The citric acid cycle is termed an amphibolic pathway as it operates both anabolically and catabolically. The cyclic reactions balance the flux of the ...
Cadeia Transportadora de Elétrons: Complexos I e II
Cadeia Transportadora de Elétrons: Complexos I e II
The mitochondrial electron transport chain (ETC) is the main energy generation system in the eukaryotic cells. However, mitochondria also produce ...
Cadeia Transportadora de Elétrons: Complexos III e IV
Cadeia Transportadora de Elétrons: Complexos III e IV
During the electron transport chain, electrons from NADH and FADH2 are first transferred to complexes I and II, respectively. These two complexes then ...
Síntese de ATP: Mecanismo
Síntese de ATP: Mecanismo
In animals, the mitochondrial F1F0 ATP synthase is the key protein that synthesizes ATP molecules through a complex catalytic mechanism. While the nuclear ...
A Cadeia Transportadora de Elétrons
A Cadeia Transportadora de Elétrons
The electron transport chain or oxidative phosphorylation is an exothermic process in which free energy released during electron transfer reactions is ...
Os Supercomplexos na Crista Mitocôndrial
Os Supercomplexos na Crista Mitocôndrial
The mitochondrial cristae membrane is the primary site for the oxidative phosphorylation (OXPHOS) process of energy conversion mediated through ...
Síntese de ATP: Estrutura
Síntese de ATP: Estrutura
ATP synthase or ATPase is among the most conserved proteins found in bacteria, mammals, and plants. This enzyme can catalyze a forward reaction in ...
A Proteína Carreadora de ADP/ATP
A Proteína Carreadora de ADP/ATP
ADP/ATP carrier or AAC protein is the most abundant carrier protein in the inner mitochondrial membrane. It transports large quantities of ADP and ATP, ...
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