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| theory that states that all organisms are made of cells, all cells are produced by other living cells, and the cell is the most basic unit of life. |
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| jellylike substance inside cells that contains molecules and in some cells organelles. |
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| membrane-bound structure that is specialized to perform a distinct process within a cell. |
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| cell that does not have a nucleus or other membrane-bound organelles. |
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| cell that has a nucleus and other membrane-bound organelles |
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| network of proteins, such as microtubules and microfilaments, inside a eukaryotic cell that supports and shapes the cell |
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| organelle composd of a double membrane that acts as the storehouse for most of a cell's DNA |
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| interconnected network of thin, folded membranes that produce, process, and distribute proteins. |
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| organelle that links amino acids together to form proteins. |
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| stack of flat, membrane-enclosed spaces containing enzymes that process, sort, and deliver proteins. |
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| small organelle that contains and transports materials within the cytoplasm. |
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| bean-shaped organelle taht supplies energy to the cell and has its own ribosomes and DNA. |
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| organelle that is used to store materials, such as water, food, or enzymes, that are needed by the cell. |
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| organelle that contains enzymes. |
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| small cylinder-shaped organelle made of protein tubes arranged in a circle; aids mitosis. |
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| rigid structure that gives protection, support, and shape to cells in plants, algae, fungi, and bacteria. |
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| organelle composed of numerous membranes taht are used to convert solar energy into chemical energy; contains chlorophyll. |
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| double-layer of phospholipids that forms a boundary between a cell and the surrounding environment and controls the passage of materials into and out of a cell. |
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| molecule that forms a double-layered cell membrane; consists of a glycerol, a phospate group, and two fatty acids. |
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| model taht describes the arrangement and movement of the molecules that make up a cell membrane. |
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| condition or quality of allowing some, but not all, materials to cross a barrier or membrane. |
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| protein that detects a signal molecule and performs an action in response. |
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| movement of molecules across the cell membrane without energy input from the cell. |
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| movement of dissolbed molecules in a fluid or gas from a region of higher concentration to a region of lower concentration. |
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| difference in the concentration of a substance from one location to another. |
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| diffusion of water molecules across a semipermeable membrane from an area of higher water concentration to an area of lower water concentration. |
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| solution that has an equal concentration of dissolved particles compared with another solution. |
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| solution taht has a higher concentration of dissolved particles compared with another solution. |
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| solution that has a lower concentration of dissolved particles compared with another solution. |
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| diffusion of molecules assisted by protein channels that pierce a cell membrane. |
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| energy-requiring movemnet of molecules across a membrane from a region of lower concentration to a region of higher concentrations |
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| uptake of liquids or large molecules into a cell by inward folding of a cell membrane. |
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| uptake of a solid particle into a cell by engulfing the particle |
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| release of substances out a cell by the fusion of a vesicle with the membrane. |
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