Term
| three major regions of cell |
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Definition
1. nucleus
2. plasma membrane
3. cytoplasm |
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Definition
contains DNA (genetic material)
control center of cell |
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Definition
| assembly sites for ribosomes, composed of proteins and RNA |
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Definition
| separates cell contents from their surrounding environment |
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Definition
sites of protein synthesis
free floating or attached to endoplasmic reticulum |
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Term
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Definition
provides a system of channels (network) for transport of cellular substances from one part of the cell to the other
highly folded system of tubules and sacs |
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Definition
cisternae (sacs) modify and store newly formed proteins and dispatch to other parts of the cell
called "rough" because studded with ribosomes |
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Definition
site for steroid and lipid synthesis, lipid metabolism, and drug detoxification
(NO ROLE IN PROTEIN SYNTHESIS) |
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Definition
plays a role in packaging proteins and other substances for export from the cell or incorporation into the plasma membrane, packages lysosomal enzymes
stack of flattened sacs with bulbous ends found close to nucleus |
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Definition
digests worn-out cell structures and foreign substances via phagocytosis or endocytosis
membrane bound sacs containing powerful enzymes |
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Definition
detoxify a number of harmful substances, including free radicals
enzyme containing sacs, particularly abundant in kidney and liver cells |
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Definition
| contains enzymes that oxidize foodstuffs to produce ATP via the krebs cycle and electron transport chain |
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Term
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Definition
1. microtubules
2. intermediate filaments
3. microfilaments |
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Definition
organize the cytoskeleton and direct formation of the spindle formed by centrioles during cell division
made from protein, tubulin |
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Definition
| resist mechanical pulling forces acting on cells, stable proteinaceous elements |
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Definition
provide cell mobility through ability to contract (shorten) and relax (elongate)
made of actin |
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Term
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Definition
direct the formation of the mitotic spindle during cell division, form cilia and flagella
rod-shaped bodies that lie at right angles to each other, composed of nine triplets of microtubules |
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