Biology Chapter 10- Cell Growth and Division – Flashcards
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What is an advantage of sexual reproduction?
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Genetic diversity
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When during he cell cycle are chromosomes visible?
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Only during cell division
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What occurs during interphase?
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Centrioles duplicate
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What do centrioles do?
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Connect spindle fibers
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During normal mitotic division, a parent cell with four chromosomes will produce two daughter cells with how many chromosomes?
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Four
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What is one difference between cell division in animal cells and plant cells?
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Plant cells form a cell plate
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What is one factor that can stop cell growth in a lab setting?
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Contact with other cells
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Cells grown in a petri dish tend to divide until they form a thin layer covering the bottom of the dish. If cells are removed from the middle of the dish, the cells divide until they fill the empty space. What does this experiment show?
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The controls on cell growth and division can be turned on and off
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What kinds of organisms does cancer affect?
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Multicellular organisms
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A cell with 5 chromosomes in the G1 phase will have how many chromosomes in the G2 phase?
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Ten
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Once a cell plate/wall has formed, which phase will the cell enter?
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Interphase
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How can you tell if a diagram is showing cancer cells or not?
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If the cells are not growing in a controllers manner, then it is cancer
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How are cancer cells different from normal cells?
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Cancer cells lack cyclins, so they lack the ability to control growth
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What can happen if cancer cells are left untreated?
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If cancer cells are left untreated, they can metastasize, or spread and invade other cells
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How can cancer cells be prevented from doing more damage?
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Cancer cells can be removed and treated with radiation or chemotherapy to prevent them from doing more damage
