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Diffusion

Asked by indy400 | Sep 25, 2008 | KS1 Level > Biology > Homework
indy400
indy400 asks:

Between glucose, iodine and starch, which could pass the easiest through a plasma membrane.


etutor answers:

Iodine should pass the easiest, then glucose, then starch, as this lists the substances in increasing molecular size.

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indy400
indy400
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