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BJU science chapter 3

Terms in this set (10)

Cell membrane
A thin covering that forms the outer boundary of the cell
Fluid mosaic model
The most accurate model of a cell membrane is called the
Selective permeable
One important characteristics of membrane is that they are
Selective permeable
That certain molecules go through them and other molecules do not
Passive transport
The movement of substances through a membrane without the use of the cell's own energy
Diffusion
Is the movement of molecules from a place where there are many of them of (high concentration) to a place where there are few of them of (low concentration)
Osmosis
Is the diffusion of water through a selectively permeable membrane
Active transport
Requires the cell to use its own energy to move substances through a membrane
Animalcules
Anton van Leeuwenhoek call the organisms he viewed with his microscopes
Anton van Leeuwenhoek
Who gave the organisms animalcules it's name?
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