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| the movement of molecules from a region of higher concentration to a region of lower concentration |
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| diffusion of water through a membrane |
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| occurs when all the particles are equally spread out |
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| The cell membrane is _____ _______ which allows the movement of some substances, into or out of the cell. |
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| made of phospholipid molecules |
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| Particles that are too big to squeeze through the cell's membrane must enter through |
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| movement of particles, through a protein doorway, from a more crowded to a less crowded area WITHOUT the use of energy |
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| the movement of particles, through a protein doorway, from a less crowded to a more crowded area WITH the use of ATP (energy) |
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the process in which a cell membrane surrounds a particle and encloses it in a vesicle to bring it into the cell
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| the process in which vesicles are formed at the Golgi complex and carry the particle to the cell's membrane for release out of the cell |
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| occurs in body cells like liver and blood cells |
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| cell reproduction in which one parent cell goes through simple cell division to split into two "daughter cells". |
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| organized structures of DNA |
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Definition
| also called bacterial cells |
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| these are plant and animal cells |
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| The life cycle of a cell has 3 main phases |
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Definition
- interphase
- m-phase
- cytokinesis
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Definition
- starting cell is called the parent cell
- divides to make 2 identical daughter cells
- have identical chromosomes
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