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I need more help with science again
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I need more help with science again

I need more help with science again-example-1
User Pina
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7 votes
cell membrane : decides what enters and leaves, it also decides which proteins come in and out
passive transport : passive transport uses energy and i’m pretty sure it’s a transport that allows only some proteins to go through such as proteins
User Bhavesh Moradiya
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6.9k points
4 votes
membranes are barriers and “gatekeepers”, they only let certain molecules pass through them.

they also transport nutrients to the cell
User Cropper
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