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Transcript
Getting through cell membrane ï§ Passive Transport ïµ Simple diffusion ï§ diffusion of nonpolar, hydrophobic molecules ï· lipids ï· high ï® low concentration gradient ïµ Facilitated transport ï§ diffusion of polar, hydrophilic molecules ï§ through a protein channel ï· high ï® low concentration gradient ï§ Active transport ïµ diffusion against concentration gradient ï§ low ï® high ïµ ïµ AP Biology uses a protein pump requires ATP ATP
