Membrane Transport & membrane protein functions 0.0 / 5 ? BiologyCellular processes and structureInternational BaccalaureateAll boards Created by: ChxxrxCreated on: 06-03-18 19:45 Diffusion passive movement of molecules such as oxygen, CO2, glucose down a concentration gradient 1 of 9 facilitated diffusion special case of diffusion across a membrane through specific protein channels 2 of 9 osmosis passive diffusion of water molecules from a region of higher concentration of water molecules to a region of lower concentration of water molecules 3 of 9 active transport movement of substances against a concentration gradient; process requires energy in form of ATP 4 of 9 Endosymbiosis theory suggests that some organelles, notably chloroplasts and mitochondria found within eukaryotic cells, were once simple free-living prokaryotes 5 of 9 mitosis division which produces two identical daughter cells 6 of 9 Lysosome intracellular digestive systems from Golgi apparatus; breakdown p, na, carbs, lipids, breaking down materials entering cell (Phagocytosis) 7 of 9 Centrosome a pair of centrioles; assembly of microtubules, also provide structure and allow movement, important in cell division 8 of 9 Extracellular matrix collagen fibres + combo sugars and protein (glycoprotein); fibre like structures, anchor matrix to plasma membrane; strengthens, allows attachments between adjacent cells; cell-to-cell interactions; altering gene expression; coordination cell actions 9 of 9
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