Active transport, Movement against the concentration gradient, using a carrier protein., Facilitated diffusion, Movement along the concentration gradient using a carrier or channel protein., Simple diffusion, Movement along the concentration gradient across the phospholipid bilayer., Osmosis, Movement of water along the concentration gradient., Faciliated diffusion using a carrier protein, How glucose and amino acids move across the membrane when moving from a high to low concentration.., Facilitated diffusion using a channel protein, How ions move across the membrane when moving from a high concentration to a low concentration., Phosphate head, Which part of the phospholipid is hydrophillic, polar, attracted to water., Fatty acid tails, Which part of the phospholipid is hydrophobic, non polar, repels water., Endocytosis, Bulk transport of molecules into a cell, using vesicles and ATP., Exocytosis, Bulk transport of molecules out of a cell, using vesicles and ATP., Small surface area to volume ratio, Large organisms need a specialised exchange surface because they have this.

Membrane transport

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