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Definition
| Process by which molecules tend to move from an area of higher concentration to an area of lower concentration |
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Definition
| The diffusion of water molecules through a selectively permeable membrane |
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Definition
| The process of maintaining a stable internal environment |
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Definition
| Lets things in and out; able to pass through |
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Definition
| When the molecules of one substance are spread evenly thoughout another substance. |
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Definition
| The movement of materials through the cell membrane without the use of energy |
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Definition
| Uses cellular energy to pass substances through a cell membrane |
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Definition
| The process by which plants use the sun's energy, carbon dioxide and water to produce food |
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Definition
| Organisms that make their own food |
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Definition
| Organisms that can't make their own food |
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Definition
| The pigment that makes plants' leaves green found in chloroplasts |
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Term
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Definition
| Surrounds the cell - only allows certain substances to pass through |
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Definition
| The process by which the nucleus of the cell divides to produce two nuclei, each with the same type and number of chromosomes as the parent cell |
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Definition
| gel-like material, contains cell parts |
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Definition
| Command center of the cell; the brain |
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Definition
| Energy source for the cell |
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Definition
| Contains chlorophyll and helps with photosynthesis |
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Definition
| Recycles cell's own organic material |
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Definition
| Stores food, water, minerals and waste |
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Definition
| Makes protein for the cell |
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Definition
| threadlike structures that carry the genetic plans for the cell |
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Definition
| rigid structure that supports and protects a plant cell |
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Definition
| Transports materials within the cell |
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Definition
| The structures within the cytoplasm of eukaryotic cells |
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Definition
| Those cells with a defined nucleus |
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Definition
| Cells that do not have an organized nucleus |
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Definition
| Packages and processes proteins |
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Definition
| Groups of similar cells that work together to do one job. |
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Definition
| A structure made up of different types of tissues that work together to do a particular job |
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Definition
| A group of organs working together to do a certain job |
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Definition
| A substance that speeds up a chemical reaction |
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Definition
| A process by which vesicles release their contents outside the cell |
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Definition
| Process of taking substances into a cell by surrounding it with the cell membrane |
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Definition
| Process that releases energy without using oxygen |
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Term
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Definition
| The total of all reactions that occur within the cells of an organism |
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