What are the stages of cellular respiration

1. Glycolysis

2. Pyruvate oxidation

3. citric acid cycle

4.oxidative phosphorylation

Explanation:

1. In glycolysis, glucose, a 6 carbon sugar, undergoes a series of chemical transformations. Is converted into two molecules of pyruvate and ATP is made and NAD + is converted to NADH.

2. Each pyruvate from glycolysis goes into the mitochondrial matrix—the innermost compartment of mitochondria. There, it’s converted into a two-carbon molecule bound to Coenzyme A, known as acetyl CoA.

3. The acetyl CoA made in the last step combines with a four-carbon molecule and goes through a cycle of reactions, ultimately regenerating the four-carbon starting molecule.

4.As electrons move down the chain, energy is released and used to pump protons out of the matrix, forming a gradient. Protons flow back into the matrix through an enzyme called ATP synthase, making ATP. At the end of the electron transport chain, oxygen accepts electrons and takes up protons to form water.

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