Mitosis And Meiosis - ChAPters 12-13 - AP Biology

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 mitosis and meiosis - chAPters 12-13 - AP biology

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1.  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
2.  What is a chromatid?
A.
B.
C.
D.
E.
3.  All of the following are functions of meiosis in plants except
A.
B.
C.
D.
E.
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.  Which of the following is true concerning cancer cells?
A.
B.
C.
D.
E.
6.  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
7.  A cell containing 92 chromatids at metaphase of mitosis would, at its completion, produce two nuclei containing how many chromosomes?
A.
B.
C.
D.
E.
8.  If there are 20 centromeres in a cell at anaphase, how many chromosomes are there in each daughter cell following cytokinesis?
A.
B.
C.
D.
E.
9.  In animals, meiosis results in gametes, and fertilization results in
A.
B.
C.
D.
E.
10.  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 of DNA might be from a nerve cell arrested in G0 of the cell cycle?
A.
B.
C.
D.
E.
11.  Starting with a fertilized egg (zygote), a series of five cell divisions would produce an early embryo with how many cells?
A.
B.
C.
D.
E.
12.  Which of the following is (are) true concerning cyclin-dependent kinase (Cdk)?
A.
B.
C.
D.
E.
13.  Match the following statement with one of the statements below: Independent assortment of chromosomes 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.
14.  Asexual reproduction and sexual reproduction are different in that
A.
B.
C.
D.
E.
15.  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.
16.  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.
17.  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.
18.  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
19.  Independent assortment of chromosomes is a result of
A.
B.
C.
D.
E.
20.  Select the term below that is most closely related to this phrase: a protein maintained at constant levels throughout the cell cycle that requires cyclin to become catalytically active     A.    PDGF     B.    MPF     C.    protein kinase     D.    cyclin     E.    Cdk
21.  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
22.  How do cells at the completion of meiosis compare with cells that have replicated their DNA and are just about to begin meiosis?
A.
B.
C.
D.
E.
23.  The correct sequence of steps in the M phase of the cell cycle is
A.
B.
C.
D.
E.
24.  Which of these statements is false?
A.
B.
C.
D.
E.
25.  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.
26.  How does the sexual life cycle increase the genetic variation in a species?
A.
B.
C.
D.
E.
27.  Proteins that are involved in the regulation of the cell cycle, and that show fluctuations in concentration during the cell cycle, are called
A.
B.
C.
D.
E.
28.  The MPF protein complex turns itself off by
A.
B.
C.
D.
E.
29.  Cells that are in a nondividing state are in which phase?
A.
B.
C.
D.
E.
30.  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
A.
B.
C.
D.
E.
31.  When does the synaptonemal complex disappear?
A.
B.
C.
D.
E.
32.  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
33.  At which stage of mitosis are chromosomes photographed in the preparation of a karyotype?
A.
B.
C.
D.
E.
34.  An enzyme that attaches a phosphate group to another molecule is called a
A.
B.
C.
D.
E.
35.  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?
A.
B.
C.
D.
E.
36.  Which of the following is false regarding the bacterial chromosome?
A.
B.
C.
D.
E.
37.  By examining a karyotype, it is possible to determine
A.
B.
C.
D.
E.
38.  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. one daughter nucleus at telophase of mitosis
39.  Which drawing represents metaphase II of meiosis?
40.  What causes the decrease in the amount of cyclin at a specific point in the cell cycle?
A.
B.
C.
D.
E.
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