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| the rigid, porous outer layer of a plant. |
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| a bundle of microtubules that helps organize the movement of chromosomes. during cell devison |
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| an organelle that converts the radiant energy of the Sun into chemical energy. through the process of photosynthesis |
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| a jelly like substance, compuosed mainly of weater, occupying most of the space between the cell membrane and the nucleus. |
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| a network of passageways in wich chemical compouds are manufactured, process, and transported. |
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| a stack of membranes that collect, modifies, and packages chemical compouds. |
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| a small sac that contains digestive chemicals. |
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| organelles that, using oxygen, convert nutrients into energy that can be used by cell. |
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| a double-layered membrane that surrounds and protects the nucleus. |
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| a small body in the nucleus where ribosomes are synthesized. |
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| a round body in the center of the cell that contians DNA and directs the cells activities |
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| a round body in the center of the cell that contians DNA and directs the cells activities |
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| a cell structure that performs a specific function. |
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| a cell structure that performs a specific function. |
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| a double-layered membrane that surrounds the cell. Also called the cell membrane, its regulates what enters and leaves the cell |
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| a small stucture that can store food leucoplast or pigment chromoplast. |
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| tiny structure where proteins are synthesized. |
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