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Cards In This Set
| Front | Back |
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Cell
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Smallest unite that can carry on all of the processes of life
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Cell theory
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-all living organisms are composed of one/more cells
-cells are basic unites of structure and function -cells come only from the reproduction of existing cells |
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Plasma (cell) membrane
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Cell's outer boundary
--covers cell's surface and acts as barrier |
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Cytoplasm
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Region of cell that is Within the cell membrane and all organelles except nucleus
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Cytosol
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Part of cytoplasm that includes molecules and small particles (ribosomes) but not membrane-bound organelles
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Nucleus
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Membrane-bound organelle that contains a cell's DNA and controls most functions of cell
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Prokaryotes
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Organisms that lack nucleus and organelles
--DNA concentrated in center nucleoid |
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Eukaryotes
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Organisms made up of one/more celsl that have a nucleus and organelles
--larger |
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Organelles
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Well-defined, intracellular bodies that perform specific functions for the cell
--surrounded by membrane |
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Tissue
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A group of similar cells and their products
--carry out a specific function |
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Organs
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Groups of tissues that perform a particular job in an organism
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Organ system
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A group of ogans that accomplish related tasks
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Phospholiped bilayer
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Line up so their polar heads point toward water that surrounds cell membrane and nonpolar tails point inward away
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Chromosone
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When a cell is dividing, DNA in nucleus goes from thread-like material to condensed form
--structures made of DNA and protein |
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Nuclear envelope
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Double membrane surrounding nucleus
--made of two phospholipid bilayers |
