Question

Explain terminal oxidation

Answer 1

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Oxidative phosphorylation  or electron transport-linked phosphorylation) is the metabolic pathway in which cells use enzymes to oxidize nutrients, thereby releasing energy which is used to produce adenosine triphosphate (ATP). In most eukaryotes, this takes place inside mitochondria. Almost all aerobic organisms carry out oxidative phosphorylation. This pathway is probably so pervasive because it is a highly efficient way of releasing energy, compared to alternative fermentation processes such as anaerobic glycolysis.

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Answer 2

ANSWER;

TERMINAL OXIDATION;;;;;;;;;;;

Terminal oxidation is the final step in aerobic respiration which involves the passage of electrons and protons to the final acceptor oxygen. Terminal oxidation involves two processes they are electron transport and oxidative phosphorylation

Aerobic organisms are able to capture a far greater proportion of the available free energy of respiratory substrates than anaerobic organisms. Most of this takes place inside mitochondria, which have been termed the “powerhouses” of the cell. Mitochondria have an outer membrane that is permeable to most metabolites, an inner membrane that is selectively permeable, and a matrixwithin (Fig. 7.1). The phospholipid cardiolipin is concentrated in the inner membrane together with the enzymes of the respiratory chain. Generation of ATP from oxidative phosphorylation requires an electron donor(NADH or FADH2), an electron acceptor (O2), an intact inner mitochondrial membrane that is impermeable to protons, all the components of the electron transport chain, and ATP synthase. It is regulated by the rate of ATP utilization.

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