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Cells
| Question | Answer |
|---|---|
| cell | basic unit of life |
| cell membrane | the semi-permeable membrane that surrounds the cell and allows food to enter and waste to exit. |
| cell wall | A rigid outer layer of the plant cell; provides protection and support for the plant cells |
| chloropyll | a green pigment in some plant cell's chloroplasts; absorbs light energy used to carry out photosynthesis |
| Chloroplast | an organelle found in plant cells, uses energy from the sun to create photosynthesis, making food for the plant in the form of sugar (glucose) |
| chromosome | acoiled substance in the cell nucleus that contains genetic information and carries information controlling the cell's activities |
| centrioles | separates chromosome pairs during mitosis in animal cells |
| cytoplasm | the jelly-like fluid, inside the cell, that holds the organelles in place |
| diffusion | the movement of a substance from an area of higher concentration to an area of lower concentration |
| DNA | A chemical material in a cell's nucleus that stores coded information about how an organism will grow and develop |
| Endoplasmic reticulum (ER) | A folded membrane that transports materials throughout the cell |
| Golgi apparatus ( Golgi body) | stores and packages materials that will be leaving the cell (shipping department); modifies proteins made by the cell |
| lysosomes | Contains powerful chemicals that break down harmful molecules. Recycles worn out parts. |
| mitochondria | Breaks down sugar to release energy; powerhouse of the cell |
| mitosis | the process in which a cell nucleus divides for duplication |
| nucleolus | Makes ribosomes. |
| nucleus | Control center of the cell. Contains DNA. |
| organ | when more than one tissue are working together to perform a function |
| organism | an individual animal, plant, or single-celled life form. |
| osmosis | the diffusion of water across a cell membrane |
| photosynthesis | Process that plants use to turn sunlight into energy |
| plant cell | 1) have cell wall 2) have chlorophyll/chloroplasts needed for photosynthesis. 3) large vacuoles |
| ribosomes | make proteins for the cell |
| rough ER | acts like the "Cell Superhighway" and has ribosomes on it |
| smooth ER | acts like the "Cell Superhighway" but DOES NOT have ribosomes on it |
| system | a group of organs that work together to perform one or more functions. |
| tissue | a group of similar cells that perform a specific function |
| vacuole | Stores food, nutrients, water and waste for the cell. It is very large in plant cells. |
Created by:
laurencorcoran
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