Term
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Definition
| Higher consentration to lower consentration |
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Definition
| the rigid, porous outer layer of a plant cell |
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Definition
| bundle of microtubles that helps organize the movement of chromosomes during cell division |
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Definition
| an organelle that converts the radiant energy of the sun into chemical energy through the proccess of photosynthesis |
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Definition
| a jelly-like substance composed mainly of water, occupying most of the space between the cell membrane and the nucleus |
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Definition
| a network of passageways in which chemical compound are manufactured, processed, and transported |
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Definition
| a stack of membranes that collects, modifies, and packages chemical compounds |
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Definition
| a small sac that contains digestive chemicals |
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Term
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Definition
| organelles that, using oxygen, convert nutrients into energy tha can be used by the cell (powerhouse of a cell) |
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Term
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Definition
| a double-layered membrane that surrounds and protects the nucleus |
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Term
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Definition
| a small body in the nuclus where ribosomes 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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Term
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Definition
| a cell structure that performs a specific function |
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Term
| plasma membrane (cell membrane) |
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Definition
| a double-layered membrane that surrounds the cells, it regulates what enters and leaves the cell |
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Term
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Definition
| small structure that can store food(leucoplast) or pigment(chromoplast) |
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Term
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Definition
| tiny structure where proteins are synthesized |
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Term
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Definition
| sac that stores water, nutrients, and other chemicals. the large ____ is found in plant cells help the cells maintain their shape |
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Term
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Definition
| small package of nutrients or proteins created by the golgi apparatus |
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Term
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Definition
| the diffusion of water through a selectively permeable membrane |
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Term
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Definition
| cells somethimes move materials in the opposite direction- against a concentration difference |
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Definition
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Definition
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Term
| selectively permeable membrane |
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Definition
| allows somethings through but not everything |
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Term
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Definition
| 1. all living things are composed of cells 2. cell are the basic unit of structure and function in living things 3. new cells are produced from existing cells |
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Term
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Definition
| animals, plants, fungi and protists cells that contain a nucleus usually more complex (many organelles) genetic material keep seperate from the rest of the cell |
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Term
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Definition
| all bacteria have genetic material but NO nucleus simple (small orgainism) |
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Term
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Definition
| =goal= concentragton is the same throughout |
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Term
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Definition
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Term
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Definition
| very concentrated more solvent cells will shrink water moves out of cell |
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Term
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Definition
| lots of water cells will swell water moves into cell |
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Term
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Definition
| brings material into cell by folding around it |
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Term
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Definition
| brings material out of cell |
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Term
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Definition
| cell eating- brings in paticles particles put in vacuole |
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Definition
| cell drinking- brings in liquid to vacuoles |
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Term
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Definition
| 1 celled one cell controls all life activities- simple |
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Term
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Definition
| many celled cells specialized to perform certain tasks (cell specialization) - cells are different sized and shape - cells have different function |
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Term
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Definition
| 1. cells 2. tissues 3. organs 4.organ system 5 organism |
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