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We also have Bitesize study guides covering many subjects at National 4 and National 5 on our Knowledge & Learning BETA website.

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Biology

Revision videos

Demonstrations and explanations of key concepts in Standard Grade Biology.

Biology videos

Cell division
Cells and diffusion
Enzymes
Aerobic Respiration
Microorganisms
Germination
Photosynthesis
Photosynthesis rap

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