Key term for OCR GCSE Biology A, used in Ecosystems.
Biological catalysts (proteins) secreted by decomposers to chemically break down large, insoluble molecules.
Enzymes appears in OCR GCSE Biology A revision content for Community level systems, especially Ecosystems and Role of microorganisms.
Community level systems
Ecosystems • Role of microorganisms
Organism level systems
Homeostasis • Importance of homeostasis
Organism level systems
The nervous system • Reflex arc
Cell level systems
Photosynthesis • Process of photosynthesis
Cell level systems
Respiration • Role of amino acids
Cell level systems
Cell structures • Sub-cellular structures
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