Oxygen is the final electron acceptor at the end of the electron transfer chain the aerobic respiration. In the absence of oxygen, just a few ATP are developed from glucose. In the presence of oxygen, many much more ATP are made.
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Advantages that Aerobic Respiration
A significant advantage the aerobic respiration is the amount of energy it releases. There is no oxygen, organisms can break-up glucose into just two molecules that pyruvate. This releases only enough power to make two ATP molecules. With oxygen, organisms can breakdown glucose every the way to carbon dioxide. This publication enough power to produce up to 38 ATP molecules. Thus, aerobic respiration releases much an ext energy 보다 anaerobic respiration.
The lot of energy created by aerobic respiration may explain why aerobic organisms concerned dominate life ~ above Earth. The may additionally explain exactly how organisms to be able to become multicellular and increase in size.
Advantages the Anaerobic Respiration
One advantage of anaerobic respiration is obvious. It lets organisms live in areas where there is little or no oxygen. Such places encompass deep water, soil, and the digestive tracts of pets such as human beings (see Figure below).
E. Coli bacteria space anaerobic bacteria the live in the human being digestive tract.
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Another advantage of anaerobic respiration is that speed. That produces ATP very quickly. For example, it allows your muscles get the energy they require for brief bursts of intense activity (seeFigure below). Aerobic respiration, ~ above the other hand, produce ATP an ext slowly.