AP_chapter_12_closed_notes

AP_chapter_12_closed_notes - C hapte 12 note r s TheC ll C...

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    Chapter 12 notes The Cell Cycle
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    The Key Roles of Cell Division Cell division functions in reproduction,  growth, and repair Unicellular organisms (ex. Amoeba) will  divide to reproduce entire organisms Cell division also will allows a multicellular  organism to develop from a single cell
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    The Key Roles of Cell Division DNA is passed from one generation of  cells to the next without dilution.  -cell duplicates it DNA - moves the 2 copies to opposite ends  of the cell - and then splits into 2 daughter cells
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    The Key Roles of Cell Division
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    Concept 12.1 Cell Division distributes identical sets of  chromosomes to daughter cells A cell’s genetic material is called its  genome - prokaryote = single long DNA strand - eukaryote = number of DNA molecules 
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    Concept 12.1 The replication and distribution of DNA is  manageable because it is packaged into  ________________ - the nuclei in human  ____________   contain 46 chromosomes - the nuclei in human  __________   contains 23 chromosomes
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    Concept 12.1
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    Concept 12.1 The DNA-protein complex is called the  ___________  and is a long thin fiber. After the chromatin is duplicated, it will  prepare for division.  It will condense  and coil up to form chromosomes .
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    Concept 12.1 Each duplicated chromosome has 2 sister  _____________ . - each contains identical copies of the  chromosome’s DNA molecule - they are connected together at the  _____________
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    Concept 12.1 0.5 µm Chromosomes Chromosome duplication (including DNA synthesis) Chromo- some arm Centromere Sister chromatids DNA molecules Separation of sister chromatids Centromere Sister chromatids
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    Concept 12.2 The mitotic phase alternates with  interphase in the cell cycle
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AP_chapter_12_closed_notes - C hapte 12 note r s TheC ll C...

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