Ch 10, section 1 - Cell Division (mitosis)
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| the process by which cells increase in number (one cell splits into two) | cell division
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| stage of growth in the cell cycle, also the stage at which DNA and organelles duplicate | interphase
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| series of major events in a cells life - growth, division, growth, division... | cell cycle
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| the process of dividing the nucleus of a cell into two genetically identical nuclei | mitosis
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| division of the rest of the cell besides the nucleus, final part of cell division (but happens during anaphase and telophase) | cytokinesis
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| stage of mitosis in which chromosomes form, nuclear envelope breaks down and spindle starts to form | prophase
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| stage of mitosis in which chromosomes line up in the middle of the cell, which spindle attached from centromeres to centrioles | metaphase
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| stage of mitosis in which duplicated chromosomes split at the centromeres and spindle shortens, pulling them to opposites sides of the cell | anaphase
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| stage of mitosis in which chromosomes uncoil, nuclear envelopes reform, and spindle breaks down | telophase
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| A densely packed rod or X shaped body composed of DNA that can be seen in a nucleus during mitosis | chromosome
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| What four stages make up mitosis? | prophase, metaphase, anaphase, telophase
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| Loosely packed mass of DNA in the nucleus of a cell during interphase | chromatin
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| hereditary material making up chromosomes; a long twisted molecule | DNA
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| pair of tubular structures that anchor the spindle in animal cells during mitosis | centrioles
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| protein tubes that assist movement of chromosomes during mitosis | spindle fibers
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| What are the two main phases in cell division? | mitosis then cytokinesis
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| A structures that forms during cytokinesis in plant cells to divide the cell in two; the cell wall forms from it | cell plate
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| what does duplicate mean? | to double
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| Why do cells divide? | make more cells for growth, make more cells for healing or regeneration, to make more cells that we need (blood, skin, immune, etc), and for asexual reproduction
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