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19 Cards in this Set
- Front
- Back
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active transport
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requires energy, allows particles to move against concentration gradient, examples: endocytosis, exocytosis, pinocytosis, and phagocytosis
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endocytosis
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cell takes in materical from enviroment
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exocytosis
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secretion of materials from a cell
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facilitated diffusion
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transport of materials with the aid of transport proteins
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hypertonic
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causes cell to shrivel
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hypotonic
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causes cell to swell
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isotonic
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conditions remain the same throughout the cell
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osmosis
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diffusion of water molecules through a selectively permeable membrane
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passive transport
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no energy required, examples: simple diffusion, osmosis, and facilitated diffusion
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anaphase
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centromeres split, sister chromatids are pulled apart
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cytokinesis
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when the cytoplasm divides
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interphase
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growth phase of cell, chromosomes and organelles are duplicated
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metaphase
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chromosomes move to equator of spindle
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mitosis
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process where 2 daughter cells are formed
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prophase
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chromatin coils up into visible chromosomes
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telophase
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2 distinct daughter cells, cells separate as cell cycle proceeds
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cancer
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uncontrolled cellular division
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gene
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segment of dna that controls protein
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spindle
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cagelike structure consisting of tin fibers made of microtubules
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