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19 Cards in this Set

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