Edexcel•GCSE•Biology
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Key Concepts in Biology
Cells, microscopy, enzymes, transport, and cell division
Practice 46 subtopics in Key Concepts in Biology. All questions match the Edexcel GCSE specification.
About Key Concepts in Biology
Key Concepts in Biology is a key topic in the Edexcel GCSE Biologyspecification. This topic covers cells, microscopy, enzymes, transport, and cell division.
Master all 46 subtopics below with unlimited AI-generated questions. Each subtopic page includes sample questions and the ability to generate unlimited practice questions with detailed solutions.
All Subtopics (46)
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Eukaryotic cellsProkaryotic cellsAnimal cell structurePlant cell structureBacterial cell structureNucleus and genetic materialCytoplasmCell membraneMitochondriaRibosomesChloroplastsVacuoleCell wallLight microscopyElectron microscopyMagnification calculationsScale barsResolutionPreparing slidesCore Practical 1: MicroscopyEnzyme structureLock and key modelEnzyme specificityActive siteFactors affecting enzyme activityEffect of temperature on enzymesOptimum temperatureDenaturationEffect of pH on enzymesCore Practical 2: Enzyme activityDiffusionFactors affecting diffusionSurface area to volume ratioOsmosisOsmosis in plantsOsmosis in animalsActive transportCore Practical 3: OsmosisThe cell cycleMitosisStages of mitosisChromosomesGrowth in organismsDifferentiationStem cellsMeristems
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