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Cellular respiration, the process by which organisms combine oxygen with foodstuff molecules, diverting the chemical energy in these substances into life-sustaining activities and discarding, as waste products, carbon dioxide and water. It includes glycolysis, the TCA cycle, and oxidative phosphorylation.
Cellular respiration is the process through which cells convert sugars into energy. To create ATP and other forms of energy to power cellular reactions, cells require fuel and an electron acceptor which drives the chemical process of turning energy into a useable form.
Respiration Definition. “Respiration is defined as a metabolic process wherein, the living cells of an organism obtains energy (in the form of ATP) by taking in oxygen and liberating carbon dioxide from the oxidation of complex organic substances.”.
Definition. Aerobic respiration is the process by which organisms use oxygen to turn fuel, such as fats and sugars, into chemical energy. In contrast, anaerobic respiration does not use oxygen. Respiration is used by all cells to turn fuel into energy that can be used to power cellular processes.
Respiration is the process of gas exchange between the air and an organism's cells. Three types of respiration include internal, external, and cellular respiration. External respiration is the breathing process. It involves inhalation and exhalation of gases.
: the physical and chemical processes (such as breathing and diffusion) by which an organism supplies its cells and tissues with the oxygen needed for metabolism and relieves them of the carbon dioxide formed in energy-producing reactions. 3. : cellular respiration. respiratory. ˈre-sp (ə-)rə-ˌtȯr-ē. ri-ˈspī-rə- adjective.
Review your understanding of cellular respiration in this free article aligned to NGSS standards.
breathing, which is the process of inhaling and exhaling gases from and into the external environment – a function of the lungs and other structures with similar function (e.g. gills)
Typical eukaryotic cell. Cellular respiration is the process by which biological fuels are oxidized in the presence of an inorganic electron acceptor, such as oxygen, to drive the bulk production of adenosine triphosphate (ATP), which contains energy.
Respiration is a fundamental process that occurs in cells that extracts energy from organic molecules. While respiration can occur with or without oxygen, aerobic respiration specifically requires oxygen. Here is the definition of aerobic respiration, its significance, the organisms that rely on it, and the stages involved.