Mitosis And Meiosis - ChAPters 12-13 - AP Biology

40 Questions  I  By Muitran on February 6, 2013

  
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1.  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: Which sample might represent an animal cell in G2 phase of the cell cycle?
A.
B.
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D.
E.
2.  Select the term below that is most closely related to this phrase: The "restriction point" occurs here.     A.    G0     B.    G1     C.    S     D.    G2     E.    M
3.  Match the following key event of meiosis with one of the stages listed below: Synapsis of homologous pairs occurs; crossing over may occur.     I.    prophase I       V.    prophase II     II.   metaphase I    VI.    metaphase II     III.   anaphase I     VII.    anaphase II     IV.  telophase I     VIII.    telophase II
4.  If a cell has 8 chromosomes at metaphase of mitosis, how many chromosomes will it have during anaphase?
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5.  Movement of the chromosomes during anaphase would be most affected by a drug that
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6.  After telophase I of meiosis, the chromosomal makeup of each daughter cell is
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7.  If there are 20 chromatids in a cell, how many centromeres are there?
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8.  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: If the cells were from a plant, which sample might represent a gametophyte cell?
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B.
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D.
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9.  When pairs of homologous chromosomes separate during anaphase I,
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10.  Which of the following is true concerning cancer cells?
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11.  Which number represents DNA synthesis?
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12.  If mammalian cells receive a go-ahead signal at the G1 checkpoint, they will
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13.  Which number represents the point in the cell cycle during which the chromosomes are replicated?
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14.  Crossing over occurs during which phase of meiosis?
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15.  All of the following are functions of meiosis in plants except
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16.                  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.
17.  An enzyme that attaches a phosphate group to another molecule is called a
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18.  Which of the following terms belongs with the words synapsis, tetrads, and chiasmata?
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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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B.
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D.
E.
20.  All of the following occur during prophase of mitosis in animal cells except
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21.  How do the two members of a pair of homologous chromosomes differ from each other?
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22.  Which diagram represents prophase I of meiosis?
23.  Select the term below that is most closely related to this phrase: a general term for enzymes that activate or inactivate other proteins by phosphorylating them     A.    PDGF     B.    MPF     C.    protein kinase     D.    cyclin     E.    Cdk
24.  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.
25.  Which drawing represents a stage of meiosis in which independent assortment might occur if there were more than one pair of chromosomes represented?
26.  Asexual reproduction and sexual reproduction are different in that
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27.  The somatic cells derived from a single-celled zygote divide by which process?
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28.  How do cells at the completion of meiosis compare with cells that have replicated their DNA and are just about to begin meiosis?
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29.  What is the name for the special region on a duplicated chromosome that holds the sister chromatids together?
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30.  Which of the following happens at the conclusion of meiosis I?
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31.  Density-dependent inhibition is explained by which of the following?
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32.  Which of the following is an example of alternation of generations?
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33.  Where do the microtubules of the spindle originate during mitosis in both plant and animal cells?
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34.  What is the name of enzymes that control the activities of other proteins by phosphorylating them?
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35.  What is a karyotype?
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36.  In which group of eukaryotic organisms does the nuclear envelope remain intact during mitosis?
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37.  Which of the following statements about genes is incorrect?
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38.                  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.
39.  Measurements of the amount of DNA per nucleus were taken on a large number of cells from a growing fungus. The measured DNA levels ranged from 3 to 6 picograms per nucleus. In which stage of the cell cycle was the nucleus with 6 picograms of DNA?
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40.  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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