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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, requires energy.
(Materials EXIT the cell.)
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The taking in of matter by a living cell by surrounding the material with its cell membrane to form a vacuole. Requires energy from the cell.
(Materials ENTER the cell.)
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| Process by which materials move from an area of high concentration to an area of low concentration. Does not require energy from the cell. |
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| General term for the process by which materials enter or leave a cell, or move within the cell's cytoplasm. |
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| The fluid found within all cells that surrounds the organelles, is composed mostly of water with dissolved salts and other substances. |
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| Structure found in all cells that surrounds the cell and controls what materials eneters and leave the cell. |
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Structure found in plant cells (and some bacteria and fungi), that provides support and structure for the cell. In plants it is composed of the rigid material cellulose.
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| Movement of materials from an area of low concentration to high concentration. Requires energy from the cell. |
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