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Mitochondria

AQA AS-level BiologyCell StructureLesson 11 of 26

Mitochondria are the site of aerobic respiration. Aerobic respiration produces ATP a molecule easily broken down to release the energy needed for metabolic reactions.

ATP is an immediate energy store.

Very active cells usually contain a lot of mitochondria.

Diagram

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Key terms in this lesson

ATP
Adenosine triphosphate, a nucleotide that acts as the immediate energy source in cells, releasing energy when hydrolysed to ADP and phosphate.

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