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Biology Cell Cycle

WSHS - Biology Cell Cycle Terms - Mabe/Smith/Tedder

QuestionAnswer
nucleus control center
DNA segments of chromosomes; these determine our genetics
human body body cells contain 46 chromosomes; sex cell contain 23 chromosomes
cells divide in order to 1 - prevent from becoming too large so the volume won't exceed the surface area 2 - prevent DNA overload 3 - growth 4 - repair
interphase the longest phase; where the cell spends most of its life; where the cell grows and lives
chromosomes genetic material (when the slinky is smooshed together)
chromatin thread like form of chromosomes (short, fat slinky)
mitosis process of cell division; Consists of 4 phases - phrophase/metaphase/anaphase/telophase (cytokinesis)
cell cycle the process of growth and division of a cell
centrioles hold the thread like fiders together
metaphase phase with double chormosomes that attach to the spindle by their centromoere and move to the CENTER of the cell
anaphase the double chormosomes separate and move to the OPPOSITE ENDS of the cell; or the SISTER chromosomes move to opposite ends
telophase the spindle dissolves; two nucleus reform; chromoatin form again; membrane pinches at the center of the cell
cytokinesis where the cell divides; process that happens in telophase
replication when double chomosomes are held together by a centromere
centromere hold the double chromosomes together
double chromosomes also called chromodids
parent cell what you start out with in the cell cycle
daughter cell what you end up at the end of the cycle (you have 2)
volume what is inside the cell; it increases faster thank the surface area
cancer cell uncontrolled cell division; mutated cell; causes tumors; a mass of cells that shouldn't be present; when you have cancer, the internal and external regulators don't work; cancer is usually caused by a virus
internal and external regulators control the division of a cell
internal regulators enzymems called cylins; they control the cell cycle when it goes from phase to phase
external regulators contact with other cells
tumors excess mass of cells
melignant harmful tumors; any cancer tumor
benign harmless tumors
cyclins control the cell cycle
Created by: ktedder
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