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17 terms

Cell Growth

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Cell division
process by which a cell divides into two new daughter cells
mitosis
part of eukaryotic cell division during which the cell nucleus divides
cytokinesis
division oif cytoplasm during cell division
chromosomes
pass on genetic information, (DNA), to next generation; also carries proteins
chromatids
two identical "sister" parts of a duplicated chromosome
centromeres
area where the chromatids of a chromosome are attached
interphase
period of cell cycle between cell divisions
cell cycle
series of events that cells go through as they grow and divide
M, G1, S, G2
4 phases
prophase
1st and longest phase of mitosis during which chromosomes become cisible and the cetnrioles separate and take up positions on the opposite side of the nucleus
centrioles
tiny structures located in cytoplasm of animal cells near the nuclear envelope: pull chromosomes apart
spindle
fanilike microtubule structure taht helps separate the chromosomes during mitosis
metaphase
2nd phase of mitosis, during which the chromosoems line up across the center of the cell
anaphase
3rd phase: chromosome pairs separate and move towards opposite poles
telophase
4th phase: chromosomes begin to disperse into a tangle of dense material
cytokinesis
occurs at the same time as telophase; cell plate develops gradually in plant cells
diploid
organsims with two sets of chromosomes; a cell with a set of homologous chromosomes