why was iodine able to diffuse across the membrane while starch was not? QUESTIO

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why was iodine able to diffuse across the membrane while starch was not?

QUESTION 40F 20- K SHOW LAB WORK Why was iodine able to diffuse across the membrane while starch was not? A Molecules can only diffuse out of the bag, but they cannot diffuse into it because the pores are unidirectional. B. The bag is not semipermeable because it only allows small molecules like iodine to pass. C. lodine is an ion and has a charge so it is attracted to the diffusion bag and pulled through, while starch has no charge. D. The pores of the bag are larger than the iodine molecules but smaller than the starch molecules

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why was iodine able to diffuse across the membrane while starch was not? QUESTIO

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