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Chpt. 8 Cellular

TermDefinition
Active Transport movement of membrane against concentration gradient
Endocytosis process in which cell surrounds and takes in materials
Exocytosis the expulsion or secretion of materials from cell
Facilitated Diffusion passive transport of materials across membrane using transport proteins
Hypertonic Solution outside cell concentration higher then inside
Hypotonic Solution inside cell con. higher the outside
Isotonic Solution same concentration out/inside cell
Osmosis diffusion of water from an area of high concentration to lower
passive transport movement of particles through membrane
anaphase separation of sister chronmatids marks beg.
Cell Cycle sequence of growth and development in cell
centriole small dark cylindrical stru. that are made of mirotubles and loc. outside of nucleus
centromere holds together sister chromatids
chromatin most of cells lifetime chromosomes exist as this
chromosomes contain DNA
cytokinesis cell's cytoplasm divides in this process
interphase majority of cells life spent in this growth period
metaphase 2nd phase of mitosis; doubled chromosomes become attached to the spindle fibers by their centromeres
mitosis cell enters cellular division
organ tissues that form together and do more complex work
organ system multiple organs that work together
prophase 1st and longest stage of mitosis
sister chromatid two halves of double structure
spindle football shaped cagelike structure consisting of thin fibers made of microtubles
telophase final phase of mitosis
tissue cells that work together to form a specific task
cancer malignant growth resulting from uncontrolled call division
gene segment of DNA that controls the production of a protein
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