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Cellular respiration is a metabolic pathway that breaks down glucose and produces ATP. The stages of cellular respiration include glycolysis, pyruvate oxidation, the citric acid or Krebs cycle, and oxidative phosphorylation.
The reactions of cellular respiration can be grouped into three main stages and an intermediate stage: glycolysis, Transformation of pyruvate, the Krebs cycle (also called the citric acid cycle), and Oxidative Phosphorylation. Figure \(\PageIndex{3}\) gives an overview of these three stages, which are also described in detail below.
Apr 16, 2024 · 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.
- The Editors of Encyclopaedia Britannica
May 6, 2019 · There are three main stages of cellular respiration: glycolysis, the citric acid cycle, and electron transport/oxidative phosphorylation.
- Regina Bailey
The reactions of cellular respiration can be grouped into three stages: glycolysis (stage 1), the Krebs cycle, also called the citric acid cycle (stage 2), and electron transport (stage 3). Figure below gives an overview of these three stages, which are further discussed in the concepts that follow.
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The three stages of aerobic cellular respiration are glycolysis, the Krebs cycle, and oxidative phosphorylation. Fermentation. Some organisms are able to break down glucose and produce energy without the presence of oxygen. This type of cellular respiration is called anaerobic respiration.
