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14 Cards in this Set
- Front
- Back
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Semifluid substance enclosed by cell's plasma membrane
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cytoplasm
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Structural foundation of cell membranes; mainly phospholipids arranged tail-to-tail in two layers
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lipid bilayer
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Region of cytoplasm where DNA is concentrated inside a prokaryotic cell
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nucleoid
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Organelle with two membranes that holds a eukaryotic cell's DNA
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nucleus
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A cell's outermost membrane
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plasma membrane
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Smallest unit of life
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cell
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Fundamental theory of biology. All organisms consist of one or more cells; cell is smallest unit of life; each new cell arises from another cell; a cell passes hereditary information to offspring
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cell theory
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Ratio that constrains size of cells
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surface-to-volume ratio
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Membrane protein that helps cells stick together
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adhesion protein
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Molecule that speeds a chemical process without being changed by it
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enzyme
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A cell membrane can be considered a two-dimensional fluid of mixed composition according to the ______________
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fluid mosaic model
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Plasma membrane protein that binds to a particular substance outside of the cell
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receptor protein
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Plasma membrane protein that tags a cell as belonging to self (one's own body)
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recognition protein
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Protein that passively or actively assists specific ions or molecules across a membrane
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transport protein
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