SME
Grade 9 Science · Problem type
Which kind of transport is it?
Use this for “Is it passive or active transport, and does it need a protein?”
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How does it cross the membrane?
Tap a card, then tap its group.
Each group’s picture shows the membrane, outside above, and how the particles cross it.
Assumptions
•
Passive transport runs from more to fewer and uses no ATP; active transport runs the other way and spends ATP.
•
Facilitated diffusion and osmosis are passive but go through a channel or carrier protein.
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Cells in hypotonic, isotonic and hypertonic water
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