Flashcards
1.2 - Ultrastructure of cells - Key terms
Cards in this deck (20)
- 1CompartmentalisationDividing the cytoplasm into membrane-bound organelles.
- 2ProkaryotesCells with a simple cell structure, without membrane bound organelles.
- 3EukaryotesCells that contain a nucleus and membrane bound organelles.
- 4Light microscopeMicroscope that uses a beam of light passing through one or more lenses to magnify an object.
- 5Electron microscopeMicroscope that forms an image by focusing beams of electrons onto a specimen.
- 6UltrastructureThe detailed structure of the internal components of cells as revealed by the electron microscope.
- 7OrganellesA structure within a cell with a specialised function.
- 8Resolution of a microscopeThe ability to distinguish two adjacent objects as separate and distinct.
- 9Binary fissionA form of asexual reproduction in which one cell divides to form two identical cells.
- 10PiliStructure on the surface of prokaryotes used to attach to each other and other surfaces.
- 11FlagellaA long, whip-like filament that helps in cell motility. Many prokaryotes have flagella.
- 12NucleiodRegion of prokaryotic cells where DNA is located.
- 13CytoplasmA jellylike fluid inside the cell in which the organelles are suspended.
- 14RibosomeA cell organelle; the site of protein synthesis.
- 15NucleusAn organelle surrounded by a double membrane that contains DNA.
- 16Plasma membraneA thin membrane around the cytoplasm of a cell.
- 17Cell wallA rigid layer of nonliving material that surrounds the cells of plants and prokaryotes.
- 18MitochondriaA membrane bound organelle in eukaryote cells; the site of aerobic respiration.
- 19ChloroplastA membrane bound organelle containing chlorophyll for photosynthesis.
- 20Pallisade mesophyllRectangular shaped cells in leaves with many chloroplasts; specialised for photosynthesis.
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- International Baccalaureate Biology (1 - Cell Biology) Flashcards on 1.2 - Ultrastructure of cells - Key terms, created by Ella-mentary on 15/01/2016.
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