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GCSE
OCR 21st Century

Using food and controlling growth

Part of
Combined Science

3 learner guides

What happens during cellular respiration? - OCR 21C
  1. Revise

  2. Test

How do we know about mitochondria and other cell structures? - OCR 21C
  1. Revise

  2. Test

How do organisms grow and develop? - OCR 21C
  1. Revise

  2. Video

  3. Test

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