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5
|
the outside covering of the cell,very similar to our skin
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7
|
a scientific theory that describes the characteristics of a cell and organisms
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9
|
the movement of molecules from high to low concentrations
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10
|
movement of particles across a cell membrane that requires the use of energy
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11
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when a cell uses energy to surround a particle and enclose the particle in the vesicle to bring the particle into the cell
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13
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the process of cell division
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14
|
movement of particles across a cell membrane without the use of energy
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16
|
a group of organisms that work together to perform body functions
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17
|
when particles are enclosed in a vesicle and released from the cell
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18
|
'stick-like legs' that help cells move
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19
|
the maintenance of a stable internal enviroment
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21
|
the center part of the cell that contains the genetic material for the cell
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