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17 Cards in this Set
- Front
- Back
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Active Transport |
Moment of substance across plasma membrane. |
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Cell |
(cella= room, cell) The basic unit of life; simplest structural and functional living unit of organism. |
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Cellular Respiration |
Breakdown of organic nutrient in cells, to release energy and ATP. |
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Centriole |
(centr= center) Paired cylindrical organelles that from the spindle during cell division. |
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Chromosome |
(chrom= color; some= body) A thread like or rodlike structure in the nucleus that is composed of DNA and protein. |
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Cytoplasm |
(cyte= cell; plasm= molded) The semi fluid substance located between the nucleus and plasma membrane. |
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Cytosol |
(sol= soluble) The gel fluid of the cytoplasm. |
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Diffusion |
Passive movement food substances from an area of higher concentration to an area of Lower concentration. |
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Endocytosis |
(end= inside; cyte= cell; sis= condition) The process by which the cell engulfs substances by invagination of the plasma membrane. |
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Exocytosis |
(exo= outside) The process in which the cell releases substances by fusion of a vesicle. |
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Mitosis |
(mit= thread; sis= condition) Separation of distribution of chromosomes to daughter cells during mitotic cell division. |
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Nucleus |
(nucle= kernel) Spherical organelle containing chromosomes and controlling cellular functions. |
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Organelle |
(elle= little) A specific structure within a cell that performs a specific function. |
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Osmosis |
The passive movement of water across a selectively permeable membrane. |
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Passive Transport |
Movement of substances across a plasma membrane without expenditure of energy by the cell. |
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Plasma Membrane |
Outer boundary of a cell. |
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Selective Permeable Membrane |
A membrane that allows some, but not all, substances to pass across it. |
