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12 Cards in this Set
- Front
- Back
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Cell |
The smallest structural and functional unit of an organism |
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Cell theory |
Cell theory is a scientific theory which describes the properties of cells. |
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Plasma membrane |
is a biological membrane that separates the interior of all cells from the outside environment. |
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Organelle |
an organelle is one of several structures with specialized functions, suspended in the cytoplasm of a eukaryotic cell |
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Eukaryotic cell |
An organism whose cells contain a nucleus surrounded by a membrane and whose DNA is bound together by proteins (histones) into chromosomes. |
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prokaryotic cell |
These proteins are expressed by all organisms ranging from prokaryotes to higher eukaryotes, including human cells. In a few organisms called prokaryotes, there is no defined nucleus and the DNA is found throughout the cell |
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Selective permeability |
A selectively permeable cell membrane is one that allows certain molecules or ions to pass through it by means of active or passive transport. |
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Cytoplasm |
the cell substance between the cell membrane and the nucleus, containing the cytosol, organelles, cytoskeleton, and various particles. |
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Ribosomes |
a tiny particle consisting of RNA and associated proteins, found in large numbers in the cytoplasm of living cells. |
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Nucleus |
the central and most important part of an object |
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Golgi apparatus |
a complex of vesicles and folded membranes within the cytoplasm of most eukaryotic cells, involved in secretion and intracellular transport. |
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Centriole |
a minute cylindrical organelle near the nucleus in animal cells, occurring in pairs and involved in the development of spindle fibers in cell division. |
