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

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