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Mitosis And Meiosis - ChAPters 12-13 - AP Biology

40 Questions  I  By Muitran

  
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1.  Which of the life cycles is typical for animals?
A.
B.
C.
D.
E.
2.  Which number represents the point in the cell cycle during which the chromosomes are replicated?
A.
B.
C.
D.
E.
3.  Taxol is an anticancer drug extracted from the Pacific yew tree. In animal cells, taxol disrupts microtubule formation by binding to microtubules and accelerating their assembly from the protein precursor, tubulin. Surprisingly, this stops mitosis. Specifically, taxol must affect
A.
B.
C.
D.
E.
4.  Match the following statement with one of the statements below: The process is preceded by replication of the DNA.     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.
5.  All of the following occur during mitosis except the
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B.
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D.
E.
6.  Which of the following is true of the process of meiosis?
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B.
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D.
E.
7.  All of the following occur during prophase of mitosis in animal cells except
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D.
E.
8.  Density-dependent inhibition is explained by which of the following?
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B.
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E.
9.  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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B.
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D.
E.
10.  Match the following statement with one of the statements below: A cell divides to produce two daughter cells that are genetically identical.     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.
11.  The centromere is a region in which
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B.
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12.  Imagine looking through a microscope at a squashed onion root tip. The chromosomes of many of the cells are plainly visible. In some cells, replicated chromosomes are aligned along the center (equator) of the cell. These particular cells are in which stage of mitosis?
A.
B.
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13.  Regarding mitosis and cytokinesis, one difference between higher plants and animals is that in plants
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14.  Proteins that are involved in the regulation of the cell cycle, and that show fluctuations in concentration during the cell cycle, are called
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15.  Which of the following is the term for a human cell that contains 22 pairs of autosomes and two X chromosomes?
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16.  During which phases of mitosis are chromosomes composed of two chromatids?
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B.
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17.  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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B.
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18.  Which of the following is missing from the life cycle progression shown below?  sporophyte-meiosis-spore-________-gametophyte-mitosis-gametes- fertilization-zygote
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B.
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D.
E.
19.  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
20.  Which drawing represents a stage of meiosis in which independent assortment might occur if there were more than one pair of chromosomes represented?
21.  Which of the following is true concerning cancer cells?
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B.
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D.
E.
22.  What causes the decrease in the amount of cyclin at a specific point in the cell cycle?
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23.  How do the two members of a pair of homologous chromosomes differ from each other?
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24.  The MPF protein complex turns itself off by
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25.  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
26.  How does the sexual life cycle increase the genetic variation in a species?
A.
B.
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E.
27.  Match the following statement with one of the statements below: Centromeres uncouple and chromatids are separated from each other.     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.
28.  Where do the microtubules of the spindle originate during mitosis in both plant and animal cells?
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29.  Cells that are in a nondividing state are in which phase?
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30.                  A.     telophase                 B.     anaphase                 C.     prometaphase                 D.     metaphase                 E.     prophase   Choose the answer from above that best fits this description: Centromeres uncouple, sister chromatids are separated, and the two new chromosomes move to opposite poles of the cell.
31.  A group of cells is assayed for DNA content immediately following mitosis and is found to have an average of 8 picograms of DNA per nucleus. Those cells would have ________ picograms at the end of the S phase and ________ picograms at the end of G2.
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32.  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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33.  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
34.  Cytokinesis usually, but not always, follows mitosis. If a cell completed mitosis but not cytokinesis, the result would be a cell with
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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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B.
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36.  Which of the following statements about crossing over is incorrect?
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37.  Which of the following terms belongs with the words synapsis, tetrads, and chiasmata?
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38.  Starting with a fertilized egg (zygote), a series of five cell divisions would produce an early embryo with how many cells?
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39.  Which of the following occurs in meiosis but not in mitosis?
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40.  In animals, meiosis results in gametes, and fertilization results in
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E.
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