Biology
Biology, 26.09.2019 21:50, candiceforever123

How do molecules move across the cell membrane?

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Biology, 22.06.2019 20:10, kam3864
18. determine whether each stateme blank space given. ach statement is true (t) or false (f). place your answer in the 8. when a cell is put into an isotonic solution, individual wat put into an isotonic solution, individual water molecules cannot move back and forth across the cell membrane. d. when a cell is put into a hypertonic solution, there is a net movement of water molecules across the cell membrane into the cell. c. when a cell is put into a hypotonic solution, there is a net movement of water molecules across the cell membrane out of the cell. d. the movement of any solvent across a semi-permeable membrane is called osmosis. e. carrier proteins have the ability to change shape and physically move molecules across the cell membrane. f. in facilitated diffusion, the concentration of the molecules to be moved across the cell membrane is higher inside the cell.
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Biology, 04.07.2019 22:30, jacksolo
In which of the following ways does the plasma membrane regulate the entry of molecules into a cell? a) the membrane allows only certain molecules to movie into the cell b)the membrane destroys most molecules so that they do not enter the cell c) the membrane changes only certain molecules into ions before they move into the cell d)the membrane allows most molecules to transfer energy into the cell without entering the cell
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History, 10.07.2019 23:30, td0715
Which of the following statements best explains how the cell membrane regulates what goes in an out of the cell? a) the membrane allows only certain molecules to move into the cell b) the membrane destroys most molecules so that they do not enter the cell c) the membrane changes only certain molecules into ions before they move into the cell d) the membrane allows most molecules to transfer energy to the cell without entering the cell
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Biology, 22.08.2019 18:20, 21hendlill
When the concentration of molecules on both sides of a membrane is the same, the molecules will a. move across the membrane to the outside of the cell. b. stop moving across the membrane. move across the membrane in both directions. d. move across the membrane to the inside of the cell. c. select the best answer from the choices provided save and fyit
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