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1.3 Respiration
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Cellular respiration supplies ATP

Cellular respiration supplies ATP

Cellular respiration is a continuous series of enzyme-controlled reactions that breaks down glucose inside living cells. It transfers energy from glucose to ATP, rather than making energy from nothing.

1.3 Respiration Lesson

  1. GCSE
  2. /Biology
  3. /1.3 Respiration

Step-by-step lessons on OCR GCSE Biology 1.3 Respiration, covering 1.3.1 Cellular respiration supplies ATP, 1.3.2 Aerobic and anaerobic respiration, 1.3.3 Sugars and carbohydrates, 1.3.4 Amino acids and proteins, and 1.3.5 Fatty acids and lipids. Each one builds up to exam-style questions. Start with the foundational topics and build up to the higher-tier material.

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