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Transport Across Cell Membranes Mindmap
09/09/2022
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cencerinanuli gradient High concentration concentration gradient High concentration O DIFFUSION - movement of molecules down a concentration gradient from high to low - no energy required passive transport O Low concentration LOW energy concentration ACTIVE TRANSPORT molecules and ion more from a lower concentation to a higher concentration needs energy carbon dioxide diffuses out of cells from a higher concentration inside the cell to a lower concentration outside the cell BURSTS TURGID ANIMALS PLANTS Sa SHRINKS Placed in cell with Higher water concentration compared to its cytoplasm will gain water, swell up + burst PLASMOLYSED Transport across cell membranes ANIMALS Placed in cell with lower water concentration compared to its cytoplasm will lose water and shrink PLANTS Glucose + + Oxygen diffuse into cells from a higher concentration outside the cell to a lower concentration Cinside the cell placed in cell with a higher water concentration comported to it cytoplasm will become turgid Phospholipid - double layer 11 CELL MEMBRANE phospholipid SPECIAL CASE OF PASSIVE TRANSPORT Visking tubing is an excumple of a & selectively (permeable membrane) CELL MEMBRANE - selectively permeable membrane Protein - only small and soluble molecules to cross the membrane - Osmosis Diffusion Osmosis is the movement of water molecules from a higher water concentration to a lower water Placed in cell with lewer water concentration compared to its cytoplasm will become plasmolysed concentration through aj selectively permeable, membrane
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