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
A.
B.
C.
D.
E.
2.  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 a sperm cell?
A.
B.
C.
D.
E.
3.  Which of the following is false regarding the bacterial chromosome?
A.
B.
C.
D.
E.
4.  Select the term below that is most closely related to this phrase: Nerve and muscle cells are in this phase.     A.    G0     B.    G1     C.    S     D.    G2     E.    M
5.  A mutation results in a cell that no longer produces a normal protein kinase for the M phase checkpoint. Which of the following would likely be the immediate result of this mutation?
A.
B.
C.
D.
E.
6.                  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
7.  Select the term below that is most closely related to this phrase: The cyclin component of MPF is destroyed toward the end of this phase.     A.    G0     B.    G1     C.    S     D.    G2     E.    M
8.  In animals, meiosis results in gametes, and fertilization results in
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B.
C.
D.
E.
9.  Which number represents the point in the cell cycle during which the chromosomes are replicated?
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10.  If the cell whose nuclear material is shown above continues toward completion of mitosis, which of the following events would occur next?
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B.
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E.
11.  Which of the life cycles is typical for most fungi and some protists?
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B.
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E.
12.  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?
A.
B.
C.
D.
E.
13.  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?
A.
B.
C.
D.
E.
14.  By examining a karyotype, it is possible to determine
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15.  If the liver cells of an animal have 24 chromosomes, how many chromosomes do its sperm cells have?
A.
B.
C.
D.
E.
16.  Match the following key event of meiosis with one of the stages listed below: Centromeres of sister chromatids uncouple and chromatids separate.     I.    prophase I       V.    prophase II     II.   metaphase I    VI.    metaphase II     III.   anaphase I     VII.    anaphase II     IV.  telophase I     VIII.    telophase II
17.  Which of the following statements about crossing over is incorrect?
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B.
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D.
E.
18.  How do the two members of a pair of homologous chromosomes differ from each other?
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B.
C.
D.
E.
19.  MPF reaches its threshold concentration at the end of this stage.
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B.
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D.
E.
20.  In animals, somatic cells are produced by mitosis and ________ are produced by meiosis.
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B.
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D.
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21.  A cell containing 92 chromatids at metaphase of mitosis would, at its completion, produce two nuclei containing how many chromosomes?
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B.
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D.
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22.  All of the following are functions of meiosis in plants except
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23.  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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D.
E.
24.  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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B.
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D.
E.
25.  Cells that are in a nondividing state are in which phase?
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B.
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26.  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.
27.  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
28.  Which of the following statements about genes is incorrect?
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B.
C.
D.
E.
29.  Which of the following statements is not true?
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B.
C.
D.
E.
30.  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
31.  The lettered circle in the figure above shows a diploid nucleus with four chromosomes. There are two pairs of homologous chromosomes, one long and the other short. One haploid set is symbolized as black and the other haploid set is gray. The chromosomes in the unlettered circle have not yet replicated. Choose the correct chromosomal conditions for the following stage. *At prometaphase of mitosis
32.  Which diagram represents prophase I of meiosis?
33.  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.
C.
D.
E.
34.  All of the following occur during mitosis except the
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B.
C.
D.
E.
35.  When comparing prophase I of meiosis with prophase of mitosis, which of the following occurs only in meiosis?
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B.
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D.
E.
36.  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?
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B.
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D.
E.
37.  When pairs of homologous chromosomes separate during anaphase I,
A.
B.
C.
D.
38.  If there are 20 chromatids in a cell at metaphase, how many chromosomes are there in each daughter cell following cytokinesis?
A.
B.
C.
D.
E.
39.  Match the following key event of meiosis with one of the stages listed below:  Tetrads of chromosomes are aligned at the center of the cell; independent assortment soon follows.     I.    prophase I       V.    prophase II     II.   metaphase I    VI.    metaphase II     III.   anaphase I     VII.    anaphase II     IV.  telophase I     VIII.    telophase II
40.  Which drawing represents anaphase of mitosis?
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