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Aerobic respiration / aerobia

Aerobic respiration / aerobia

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What happens with aerobic respiration? Definition:

In the aerobic respiration these are the inner respiratory processes of organisms under oxygen consumption. The function is in the extraction of adenosine triphosphate, the universal energy source. From the chemical point of view, oxidation takes place during the reaction: elemental oxygen (O2) becomes water (H2O) reduced.
Organisms with aerobic respiration are called aerobes (Greek aer = air), those who are not dependent on oxygen anaerobes. It is important to distinguish between two types of aerobes:
obligatory aerobics: need oxygen for survival. Oxygen-free conditions damage obligate aerobics.
optional aerobes: do not need oxygen for survival. Nevertheless, if there is enough oxygen in the environment, it can still be used (e.g., yeasts).
Man is an obilgater aerobier. Our cellular respiration is multi-step, as follows, using a glucose molecule (C6H12O6), shown in simplified form:
Glycolysis (8 ATP - 2 ATP = 6 ATP)
Oxidative Decarboxylation (6 ATP)
Citrate cycle (24 ATP)
Respiratory Chain (0 ATP)
As a result, the degradation of one molecule of glucose produces 38 ATP, excluding 2 ATP, which are required in glycolysis for the breakdown of glucose. Incidentally, aerobic respiration is significantly more effective than anaerobic respiration because the degradation of a glucose molecule under anaerobic conditions is far from having such a positive energy balance.


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