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Cells
| Question | Answer |
|---|---|
| what invention led to the discovery of cells | microscope |
| 3 parts of the cell theroy | all living things are made up of cells, cells are the basic unit of structure and function of all living things, new cells are produced from existing cells |
| golgi apparatus | modifies, sorts, and packages proteins and other materials from the ER for storage in the cell or release outside the cell |
| ER | where lipid components of the cell membrane are assembled |
| lysosome | break down lipids, carbohydrates, and proteins into smaller molecules that can be used by the rest of the cell |
| cytoplasm | contains cytosol and all other organelles outside of the nucleus |
| phospholipid | class of lipids that are major components of all cell membranes |
| phospholipid bailayer | double layered sheet structure of a cell membrane that is made up of phospholipids |
| fluid mosaic model | proteins embedded in the membrane tend to move around or float |
| selectively permeable | some substances are allowed to pass across while others are not |
| passive transport | movement of materials across the cell membrane without the use of energy |
| simple diffusion | process by which molecules of substances move from an area of higher concentration to an area of lower concentration |
| facilitated diffusion | process win which molecules pass through specials protein channels because they cannot directly diffuse across a membrane |
| osmosis | the (facilitated) diffusion of water through a selectively permeable membrane |
| aquaporin | water channel protein that is located in a cell membrane that allows water to pass through them |
| isotonic | concentration of solutes are the same inside and outside the cell |
| hypotonic | outside of a cell has a higher solute concentration than inside the cell. water moves out of the cell |
| hypertonic | outside of the cell has a lower solute concentration than inside the cell. water moves into the cell |
| active transport | movement of materials against a concentration gradient that requires the use of energy |
| protein pump | energy from ATP and moves small molecules/ions |
| endocytosis | brings it in |
| exocytosis | pushes it out |
Created by:
Dicketri
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