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Andrews [41]
3 years ago
6

What roles do membrane proteins play in making the cell membrane selectively permeable

Biology
1 answer:
enot [183]3 years ago
4 0
Protein channels cover cell membranes, they choose which molecules can enter and exit the cell. If the molecule is tiny enough to fit in these protein channels, it will be allowed to pass through. If not, the molecule needs to form a vesicle so it can easily go through and out the cell.
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Paragraph-how does pollution affect ecologist job.
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<em>If the wrong organism is identified, then people would probably be in danger. Because you wouldn't know if the actual species is deadly or not. Lets say that the wrongly identified organism isn't deadly, but the real one is. Everyone  is just strolling along, and then you're dead because it bit you. </em>

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3 years ago
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ss7ja [257]

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If you need help paraphrasing try using https://quillbot. com/

Hope that was helpful!

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