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science

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
cell   A small room in which a prisoner is locked up or in which a monk or run sleeps.  
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passive transport   It is a movement of biochemicals and other atomic or molecular substances across the cell membranes without need of energy input.  
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diffusion   The spreading of something more widely.  
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low concentration   The formal definition a concentration gradient is the process of particles.  
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high concentration   A high concentration of a substance in a solution means that there's a lot of it relative to the volume.  
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transport protein   A transport protein is a protein that serves the function of moving other materials within an organism.  
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endocytosis   The taking in of matter by a living cell by invagination of its membrane to form a vacuole.  
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exocytosis   A process by which the contents of a cell vacuole are released to the exterior through fusion of the vacuole membrane with the cell membrane  
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