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Definition
a microscopic unit of plant or animal life, usually containing a nucleus and
surrounded by a very thin membrane. |
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Definition
| the rigid outer layer of a plant cell composed of cellulose. |
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| a small oval green bit of protoplasm that contains chlorophyll and is the location of photosynthesis. |
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Definition
| the modifying of biological structures, tissues, or functions that is marked by increasing specialization in cells. |
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Definition
| A microscope that uses rays of electrons to magnify the image ofthe object being viewed. This always kills any live organisms. |
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Definition
| an organism composed of a cell or cells that contain membrane-bound organelles and a nucleus. |
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Definition
| a bean shaped structure that occurs in plants and animals which process food for energy. |
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| the part of the cell and controls growth and reproduction, and is considered the “boss” of the cell. |
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Definition
| a specialized structure that performs a specific function, like the heart. |
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Definition
| a structure within a cell that has a specific function, like the nucleus. |
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Definition
| the soft tissue in vascular plants that is responsible for the transportation of foods through the plant. |
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Definition
| the thin, semi-permeable membrane that surrounds animal and plant cells. This is responsible for allowing material in and out, and is composed of lipids and proteins. |
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Definition
| the circular DNA found in prokaryotic cells. |
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Definition
| an organism that lacks a nucleus. Any bacterial cell |
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Definition
| the smallest part of a cell, it is responsible for making proteins. |
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Definition
| a type of undifferentiated cell that can eventually become specialized,depending on the needs of the organism. These can be adult or embryonic. |
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Definition
| A mass of similar cells in an organism, especially as they form a specific organ. |
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Definition
| a membrane sac within a cell that varies in size, but functions to store water or waste material. This is large in plants, but in animal cells there are many and they are small. |
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Definition
| the soft tissue in vascular plants that is used for the transportation of water throughout the plant |
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Definition
| a small organelle that is used to digest various compounds in the cell. Used to dispose of wastes. |
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Definition
| microscopes that use a beam of light sent through various lenses to obtain a closer view of an object. The microscopes we have in class. |
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