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| Water channel protein in a cell |
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| A thin flexible barrier that surrounds the cell. |
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| A fundamental concept of biology. |
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| Strong supporting layer around the cell membrane in some cells |
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| Structure in an animal cell that helps to organize cell division |
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| Found in plant cells and some other organisms that captures the energy from the sunlight and converts it to chemicals energy |
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| Portion of the cell outside the nucleus |
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| Network of protein filaments in a eukaryotic cell that gives the cell it's shape and internal organization and is nvolved in movement. |
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| Process by which particles tend to move from an area where they are more concentrated to an area where they are less concentrated |
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| Internal membrane system found in eukaryotic cells and this is also where lipid components of the cell membrane are assembled |
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| Cells that enclose their DNA in nuclei |
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| Process of diffusion in which molecules pass across the membrane through cell membrane channels |
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| Modifies, sorts, and packages proteins and materials from the ER for storage in the cell or release outside the cell |
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| Relatively constant internal physical and chemical conditions that organisms maintain |
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| When comparing two solutions, the solution with the greater concentration of so lutes.w |
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| When comparing two solutions, the solution with lesser concentration of solutes |
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| When the concentration of two solutions is the same |
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| Flexible double layered sheet that makes up the cell membrane and forms a barrier between the cell and its surroundings |
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| Breaks down lipids, carbohydrates, and proteins into small molecules that can be used by the rest of the cell. |
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| Converts the chemical energy stored in food into compounds that are more convenient for the cell to use |
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| A large membrane enclosed structure that contains DNA. |
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| Group of tissues that work together to perform closely related functions |
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| Group of organs that work together to perform a specific function |
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| These are the specialized organs in a cell |
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Definition
| Diffusion of water through a selectively permeable membrane |
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Definition
| Pressure that must be applied to prevent osmotic movement across a selectively permeable membrane |
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| Cells that do not enclose DNA in nuclei |
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| On or in a cell, a specific protein to whose shape fits that of a specific molecular messenger, such as a hormone. |
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| Consists of RNA and protein found throughout the cytoplasm in a cell and produces the proteins |
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| Involved in synthesis of proteins |
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| Property of biological membranes that allows some substances to pass across it while others cannot |
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| Contains collections of enzymes |
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| Group of similar cells that perform a particular function |
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| Store materials like water, salts, proteins, and carbohydrates. |
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