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Catch what slips through by diffusion

Exercise and reference answers

Items
  1. Matches the category
    Yes
    Item
    Oxygen
  2. Matches the category
    Yes
    Item
    CO2
  3. Matches the category
    Yes
    Item
    Vitamin A
  4. Matches the category
    Yes
    Item
    Vitamin D
  5. Matches the category
    No
    Item
    Ions
  6. Matches the category
    No
    Item
    Polar molecules
Category
Crosses by diffusion
Instructions
Tap the arrows to move the basket. Catch what diffuses freely, let the rest fall.

Explanation

_Source: OpenStax Biology (1st ed., CC BY 4.0), Ch 5 "Structure and Function of Plasma Membranes", section 5.2 Passive Transport_
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