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18.1 Metabolism and ATP Energy
Catabolic processes in animal cells are the focus of this chapter.
In the three stages of electron transport and of catabolism, large molecules from foods that are oxidation-sensitive are degraded to give smaller molecule that can be turned into ATP.
Polysaccharides break down to monosaccharides, fats break down to glycerol and fatty acids, andProteins yield amino acids.
The digestion products diffuse into the bloodstream.
As the digestion products are broken down further to yield smaller groups, catabolic reactions continue within the cells.
The major release of energy takes place in the mitochondria, where the two-carbon acetyl group is oxidation in the citric acid cycle.
The breakdown of large Molecules is catabolic.
The synthesis of large molecule is rapid.
It is possible to identify the oxidation of glucose to CO2 and H2O as catabolic.
catabolic oxidation is the process of oxidation of a substance.
The oxidation of sugars and fats can be accomplished by the use of the matrix and inner membrane.
The oxidation pathways eventually produce CO2 and H2O, and release energy, which is used to form ener, summarizes some of the functions of these components in animal cells.
adenosine diphosphate (ADP), a group abbreviated as Pi and energy of 7.3 kJ/mole, is the product of the hydrolysis of adenosine triphosphate.
The ADP can form monophosphate andPi.
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