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| the ridge, porous outer layer of a plant cell. |
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| a bundle of microtubules that helps organize the movement of chromosomes during cell division. |
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| an organelle that converts the radiant energy of the sun into chimical energy through the prosses of photosynthesis. |
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| a jelly-like substance, composed mainly of water, occupying most of the space between the cell membrane. |
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Definition
| a network of passage ways in which chimical compounds are manufactured, proessed, and transported. |
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| a stack of membranes that collects, modifies, and packages chimical compounds. |
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| a small sac that contains digestive chimicals. |
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| organelles that, using oxegen, convert nutrients into energy that can be used by the cell. |
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Definition
| a doubled-layer membrane that surrounds and protecs the nucleus |
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Definition
| a doubled-layer membrane that surrounds and protecs the nucleus |
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Definition
| a small body in the nucleus where ribsomes are synthesized |
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Definition
| a round body in the center of the cell that contains DNA and directs the cell`s activities |
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Definition
| a cell structure that performs a spacific function |
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