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What would influence whether a molecule will pass through dialysis tubing? Check all that apply.Check All That ApplyPolarityPolaritySizeSizeConcentration gradientConcentration gradientAcidity

Question

What would influence whether a molecule will pass through dialysis tubing? Check all that apply.Check All That ApplyPolarityPolaritySizeSizeConcentration gradientConcentration gradientAcidity

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Solution

  1. Size: The size of the molecule is a significant factor. Dialysis tubing has a semi-permeable membrane, which means it only allows certain sized molecules to pass through. If a molecule is too large, it will not be able to pass through the membrane.

  2. Concentration gradient: This is another important factor. Dialysis works on the principle of diffusion, where molecules move from an area of high concentration to an area of low concentration. Therefore, if there is a concentration gradient (difference in concentration on either side of the membrane), molecules will move across the membrane to try and balance out the concentration.

  3. Polarity: The polarity of a molecule can also affect its ability to pass through the dialysis tubing. Non-polar molecules can easily pass through the lipid bilayer of the membrane, while polar molecules have a harder time.

  4. Acidity: The pH or acidity of the solution can influence the charge and shape of a molecule, which can in turn affect its ability to pass through the membrane. Certain molecules may be able to pass through at one pH but not at another.

So, all of the options listed can influence whether a molecule will pass through dialysis tubing.

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