The molecules doesn't need energy to cross through.
The diffusion doesn't need protien, the molecules pass between phospholipids by passes protien. It moves smaller molecules. Facilitated need protien also hormone, and larger molecules.
I wish it makes sense.
They are not afraid but they try and avoid getting wet because they cannot fly when wet
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the photo?
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the photo? there isnt a picture
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umm i really want to help u with this question but where is the diagram?
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