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Biology Chapter 9

9

QuestionAnswer
cycle of growing and dividing cells cell cycle
stage during which the cell grows, carries out cellular functions, and replicates or makes copies of it's DNA in preparation for the next stage of the cycle interphase
stage of the cell cycle during which the cell's nucleus and nuclear material divide mitosis
method by which a cell's cytoplasm divides, creating a new cell cyotkinesis
the structures that contain the genetic material that is passed from generation to generation of cells chromosomes
the relaxed form of DNA in the cell's nucleus chromatin
the stage of mitosis during which a dividing cell spends the most time prophase
structures that contain identical copies of DNA sister chromatids
the structure at the center of the chromosome where the sister chromatids are attached centromere
structure made of spindle fibers, centrioles, and aster fibers that is involved in moving and organizing chromosomes before the cell divides spindle apparatus
the second stage of mitosis in which the sister chromatids are pulled by motor proteins along the spindle apparatus toward the center of the cell and line up in the middle, or equator, of the cell metaphase
the third stage of mitosis in which the microtubules of the spindle apparatus begin to shorten anaphase
the stage of mitosis during which the chromosomes arrive at the poles of the cell and begin to relax, or decondense telophase
one of the specific proteins that regulate the cell cycle cyclins
enzyme in which cyclin binds during interphase and mitosis, triggering and controlling activities during the cell cycle cyclin-dependent kinases
the uncontrolled growth and division of cells cancer
substances and agents that are known to cause cancer carcinogens
programmed cell death apotosis
unspecialized cells that can develop into specialized cells when under the right conditions stem cells
Created by: mattyp1408
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