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Unit 1 Part B Vocab
| Question | Answer |
|---|---|
| Diffusion | Also called migration. an intermingling of molecules,ions, etc., resulting from random thermal agitation, as inthe dispersion of a vapor in air. |
| Active Transport | The movement of ions or molecules across a cellular membranefrom a lower to a higher concentration, requiring the consumptionof energy. |
| Endocytosis | the transport of solid matter or liquid into a cell by means of acoated vacuole or vesicle |
| Exocytosis | The transport of material out of a cell by means of a sac or vesiclethat first engulfs the material and then is extruded through anopening in the cell membrane |
| Osmosis | The diffusion of fluids through membranes |
| Cilia | minute hairlike organelles |
| Flagella | a long, lashlike appendage serving as an organ of locomotion |
| Phospholipid Bilayer | a two-layered arrangement of phosphate and lipid molecules that form a cell membrane |
| Cytoskeleton | a shifting lattice arrangement of structural and contractile components distributed throughout the cell cytoplasm, composedof microtubules, microfilaments, and larger filaments, functioning as a structural support and transport mechanism. |
| Cytoplasmic Streaming | the directed flow of cytosol (the liquid component of the cytoplasm) and organelles around large fungal and plant cells through the mediation of actin |
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