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Which of the following is most likely to move through the cell membrane by facilitated diffusion? A. Small lipids, B. 02, C. C02, C. Na+
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Which of the following is most likely to move through the cell membrane by facilitated diffusion? A. Small lipids, B. 02, C. C02, C. Na+

User Vernon
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The answer in here is Na+. We know this because a cell membrane is non-polar which means that polar molecules or charged particles (ions) will not be able to go through without a channel. Likewise, small non-polar molecules will be able to diffuse without a channel - straight through the membrane. That is why the best option is Na+
User Lbrandao
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