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Biology 18 Online
OpenStudy (anonymous):

How do most materials enter cells? A-By being eaten by cells B-Through the blood C-By passing directly through the pospholipids of the memmbrane D-Through proteins in the membrane

OpenStudy (anonymous):

The correct answer would be d because most of the materials are not hydrophobic and a lot of times they're too large to fit through the membrane without protein assistance

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