The Cell: The Structure of Life
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Key Terms
Hydrophilic: Attracted to water Hydrophobic: Afraid of water Chromatin: Threads of DNA, including protein Chromosomes: Condensed chromatin bodies Secretory Vesicles: "Bubbles" that travel to the membrane and bind with it Cilia: Little outside hairs that help cell move Flagella: Big whip that helps cell move Passive Transport: Transportation of substances with the use of no energy Diffusion: Process when a high concentration moves to an area of lower concentration Osmosis: Diffusion of water Facilitated Diffusion: Diffusion, through a specific passage (ex. glucose through cells) Selective Permeability: Allowing only select substances in and out Filtration: Substances being forced through a membrane due to pressure Active Transport: The transportation of substances with the use of energy (ex. sodium-potassium pump) Vesicular Transport: Use of secretory vesicles to transport substances into and out of the cell (exocytosis means out of...endocytosis means into...) http://sciencevogel.wikispaces.com
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Cells Function
Cell Cycle
-Prophase (unwinding and condensing) -Metaphase (centromere line up) -Anaphase (separate centromere) -Telophase (cells separate) |
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