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AP Biology: Mitosis Flashcards

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9767854573G1 PhaseFirst stage of interphase in which cell grows and performs its normal functions. Cell is diploid.0
9767854574G0 PhaseCell is performing its normal functions, but has left the cell cycle and is not dividing.1
9767854575S PhaseThe synthesis phase of the cell cycle; the portion of interphase during which DNA is replicated.2
9767854576G2 PhaseLast stage of interphase in which cell grows and performs its normal functions. Cell is diploid.3
9767854577InterphaseCell grows, performs its normal functions, and prepares for division; consists of G1, S, and G2 phases4
9767854578ProphasePhase of mitosis in which chromosomes condense, nuclear membrane disappears, nucleolus disappears, and spindle fibers begin to form.5
9767854579MetaphasePhase of mitosis in which spindle fibers help chromosomes line up on the midline of the cell.6
9767854580AnaphasePhase of mitosis in which the chromosomes separate and move to opposite ends of the cell.7
9767854581TelophasePhase of mitosis during which chromosomes uncoil, a nuclear envelope returns around the chromatin, and a nucleolus becomes visible in each daughter cell"8
9767854582CytokinesisAt the end of telophase, actin fibers form an equator around the cell and contract, separating the cytoplasm into two daughter cells.9
9767854583CentrioleA paired cluster of microtubules near the nucleus in animal cells. This organelle organizes spindle fibers during mitosis.10
9767854584CentromereRegion of a chromosome where the two sister chromatids attach to one another. Contains the kinetochore.11
9767854586Spindle FibersMade of microtubules that connect centrioles to kinetochores of chromosomes and that separate sister (mitosis) or homologous (meiosis) chromosomes during cell division12
9767854587ChromosomeA threadlike, gene-carrying structure found in the nucleus. Each chromosome consists of one very long DNA molecule and associated proteins.13
9767854588ChromatidOne of two identical "sister" parts of a duplicated chromosome.14
9767854589HaploidA cell with only one copy of each chromosome.15
9767854590DiploidA cell with two copies of each chromosome.16
9767854592G1 CheckpointChecks the cell before going into the S phase for damage.17
9767854593cancerDisorder in which some of the body's cells lose the ability to control growth; A disease in which the body cells grow & divide uncontrollably, damaging the parts of the body around them.18
9767854594metastisisspread of cancer cells19
9767854595G2 CheckpointChecks to make sure that the DNA is copied correctly before going into the M phase20
9767854596M phaseMakes sure that all the spindle is properly connected to the kinetochore.21

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