Biology
Biology, 11.10.2019 14:30, smartoa

What substance make a cell membrane

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Biology, 05.07.2019 10:00, LouieHBK
Which phrase correctly describes the function of channel proteins? a. attaches to a substance and changes shape to move that substance through the membrane and into the cell b. transmits information from outside the membrane into the cell c. moves substances from one side of the cell membrane to the other d. has a shape that allows it to binds with certain substances and move them into the cell
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Biology, 07.07.2019 10:00, STAYxALIVE7814
Which molecule forms the bulk of a cell membrane? which is the best definition of diffusion? which substance is commonly found in a cell membrane? what is the process whereby molecules in vesicles are exported out of a cell? in a eukaryotic cell, where is most of the dna located?
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Biology, 21.08.2019 11:20, jayyla32
Cell membranes are said to be selectively permeable. which statement best explains what selectively permeable means? (1) the cell membrane prevents any harmful substance from entering the cell. (2) the cell membrane lets certain substances enter the cell and keeps certain substances out of the cell. (3) the cell membrane allows only large molecules to diffuse into the cell. (4) the cell membrane has pores that let only water and glucose into the cell and carbon dioxide out
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Biology, 14.10.2019 21:10, nae467
Which statement describes the cell membrane the cell membrane is very selective the cell membrane let's anyting enter the cell the cell membrane lets anything leave the cell and cell membrane is a protective layer surrounding a cell or the cell membrane allows waste to leave the cell
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