IGCSE›Cambridge IGCSE Biology›Mind mapsCell StructureCambridge IGCSE Biology: Mind mapStudy pack PDFAlso for this subtopic:Revision notesFlashcardsSubtopic testCover factsAnimal cellNucleus: DNA, controls the cellMitochondria: aerobic respiration, makes ATPRibosomes: protein synthesisMembrane: partially permeable barrierCytoplasm: where metabolic reactions occurPlant cellCellulose cell wall gives rigidityLarge permanent vacuole keeps turgorChloroplasts: site of photosynthesisFixed, rectangular shapeBacterial cellProkaryote: no membrane-bound nucleusWall of peptidoglycan, not celluloseCircular DNA free in cytoplasmPlasmids often carry antibiotic resistanceCell structureand organisationSpecialised cellsRoot hair: large surface area for absorptionPalisade: packed with chloroplastsRed blood cell: no nucleus, haemoglobinNeurone: long extensions carry impulsesCiliated: cilia move mucus, many mitochondriaOrganisationCell → tissue → organ → organ system → organismTissue = similar cells, same functionOrgan = different tissues working togetherExam tipsState the function, not just the nameMembrane is living, wall is non-livingNew cells come from division of existing cells