Mitosis And Meiosis - ChAPters 12-13 - AP Biology

40 Questions  I  By Muitran

  
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1.  The centromere is a region in which
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B.
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2.  If cells in the process of dividing are subjected to colchicine, a drug that interferes with the functioning of the spindle apparatus, at which stage will mitosis be arrested?
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B.
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D.
E.
3.  Select the term below that is most closely related to this phrase: DNA is replicated at this time of the cell cycle.     A.    G0     B.    G1     C.    S     D.    G2     E.    M
4.                  A.     telophase                 B.     anaphase                 C.     prometaphase                 D.     metaphase                 E.     prophase   Choose the answer from above that best fits this description: Centrioles begin to move apart in animal cells.
5.  Match the following statement with one of the statements below: Homologous chromosomes synapse and crossing over occurs.     A.    The statement is true for mitosis only.     B.    The statement is true for meiosis I only.     C.    The statement is true for meiosis II only.     D.    The statement is true for mitosis and meiosis I.     E.    The statement is true for mitosis and meiosis II.
6.  An enzyme that attaches a phosphate group to another molecule is called a
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7.  Select the term below that is most closely related to this phrase: released by platelets in the vicinity of an injury     A.    PDGF     B.    MPF     C.    protein kinase     D.    cyclin     E.    Cdk
8.  At which stage of mitosis are chromosomes photographed in the preparation of a karyotype?
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9.  You have in your possession a microscope slide with meiotic cells on it and a light microscope. What would you look for if you wanted to identify metaphase I cells on the slide?
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10.  Referring to a plant sexual life cycle, which of the following terms describes the process that leads directly to the formation of gametes?
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11.  If there are 20 chromatids in a cell, how many centromeres are there?
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12.  Asexual reproduction and sexual reproduction are different in that
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13.  Which of the following statements about crossing over is incorrect?
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14.  Density-dependent inhibition is explained by which of the following?
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15.  Which of the following is (are) true concerning cyclin-dependent kinase (Cdk)?
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16.  Which of the following statements about genes is incorrect?
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17.  Chromosomes first become visible during ________ of mitosis.
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18.  Which of the following occurs in meiosis but not in mitosis?
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19.  You isolate DNA from three different cell types of an organism, determine the relative DNA content for each type, and plot the results on the graph shown here: During mitosis, diploid cells go from what number to what number?
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20.  By examining a karyotype, it is possible to determine
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21.  When comparing prophase I of meiosis with prophase of mitosis, which of the following occurs only in meiosis?
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22.  Which drawing represents anaphase of mitosis?
23.  If mammalian cells receive a go-ahead signal at the G1 checkpoint, they will
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24.  Select the term below that is most closely related to this phrase: triggers the cell's passage past the G2 checkpoint into mitosis     A.    PDGF     B.    MPF     C.    protein kinase     D.    cyclin     E.    Cdk
25.  What is a genome?
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26.  How do the two members of a pair of homologous chromosomes differ from each other?
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27.  Select the term below that is most closely related to this phrase: the shortest part of the cell cycle     A.    G0     B.    G1     C.    S     D.    G2     E.    M
28.  Independent assortment of chromosomes is a result of
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29.  What is the name of enzymes that control the activities of other proteins by phosphorylating them?
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30.  MPF reaches its threshold concentration at the end of this stage.
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31.                  A.     telophase                 B.     anaphase                 C.     prometaphase                 D.     metaphase                 E.     prophase   Choose the answer from above that best fits this description: This is the longest of the mitotic stages. D
32.  Select the term below that is most closely related to this phrase: Fibroblasts have receptors for this substance on their plasma membranes.     A.    PDGF     B.    MPF     C.    protein kinase     D.    cyclin     E.    Cdk
33.  If there are 20 centromeres in a cell at anaphase, how many chromosomes are there in each daughter cell following cytokinesis?
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34.  G1 is represented by which number(s)?
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35.  Cytoskeletal elements play important roles in cell division.  The mitotic spindle apparatus is made of ________ and pulls sister chromatids apart, whereas the contractile ring is made of ________ and required for the separation of daughter cells at the end of the mitotic phase of the cell cycle.
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36.  In the figure above, mitosis is represented by which number?
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37.  The correct sequence of steps in the M phase of the cell cycle is
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38.  If there are 20 chromatids in a cell at metaphase, how many chromosomes are there in each daughter cell following cytokinesis?
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39.  Eukaryotic sexual life cycles show tremendous variation. Of the following elements, which do all sexual life cycles have in common?     I.    alternation of generations     II.    meiosis     III.    fertilization     IV.    gametes     V.    spores
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40.  For a species with a haploid number of 23 chromosomes, how many different combinations of maternal and paternal chromosomes are possible for the gametes?
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