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32 terms

Chapter 10: Cell Growth and Division

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Cell Division
process by which a cell divides into two new daughter cells
chromatid
one of two identical "sister" parts of a duplicated chromosome
centromere
area where the chromarids of a chromosome are attached
interphase
period of the cell cycle between cell divisions
cell cycle
series of events that cells go a through as they grow and divide
mitosis
part of eukaryotic cell division during which the cell nucleus divides
prophase
first and longest phase of mitosis, during which the chromosomes become visible and the centrioles separate and take up positions on the opposite side of the nucleus. The nucleous and the nuclear envelope disapear. Also, the spidle forms.
centiole
one of two tiny structures located in the cytoplasm of animal cells near the nuclear envelope
spindle
football-shaped microtubule structure that helps separate the chromosomes during mitosis
metaphase
second phase of mitosis, during which the chromosomes line up across the center of the cell
anaphase
the third phase of mitosis, during which the chromosome pairs separate and move toward opposite poles
telophase
fourth and final phase of mitosis, during which the chromosomes begin to disperse into a tangle of dense material. The nucleous and the nuclear envelope apear. Also, the spindle disapears.
cytokinesis
division of the cytoplasm during cell division
cyclin
one of a family of closely related puoteins that regulate the cell cycle in eukaryotic cells.
cancer
disorder in which some of the body's own cells lose the avility to control growth
cell division
the process by which a cell divides into 2 daughter cells
centromere
each pair of chromatids is attached at an area called the
interphase
the three phases are G1, S, and G2
cell cycle
the series of events that cells go through as they grow and divide
spindle
fan like microtubule structure that helps separate the chromosomes
mitosis
the division of the cell nucleus
prophase, metaphase, anaphase, telophase
the 4 phases of mitosis
cytokinesis
the division of the cytoplasm during the M phase is called
cyclines
regulate the timing of the cell cycle in eukaryotic cells
cancer
a disorder in which some of the body's own cells loose the ability to control growth
cell division
process insures that each daughter cell gets one complete set of genetic information and that each daughter cell also has increased surface area
chromatids
before cell division, each chromosome consists of two identical "sister"
M phase, G1 phase, S phase, and G2 phase
the four phases of the cell cycle are
prophase
what phase of mitosis takes the longest period of time
centrioles
the teo small structures that separate and take up positions on opposite side of the nucleus during prophase are the
telophase
what phase of mitosis usually occurs at the same time as cytokinesis
cancer
what is the name for tumors that form and can cause damage to surrounding tissue