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Mitosis And Meiosis - ChAPters 12-13 - AP Biology

40 Questions  I  By Muitran
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: Fibroblasts have receptors for this substance on their plasma membranes.     A.    PDGF     B.    MPF     C.    protein kinase     D.    cyclin     E.    Cdk
2.  How does the sexual life cycle increase the genetic variation in a species?
A.
B.
C.
D.
E.
3.  All of the following occur during prophase of mitosis in animal cells except
A.
B.
C.
D.
E.
4.  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.
5.  Which number represents DNA synthesis?
A.
B.
C.
D.
E.
6.  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
7.  Select the term below that is most closely related to this phrase: a protein synthesized at specific times during the cell cycle that associates with a kinase to form a catalytically active complex     A.    PDGF     B.    MPF     C.    protein kinase     D.    cyclin     E.    Cdk
8.  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.
9.  Chromosomes first become visible during ________ of mitosis.
A.
B.
C.
D.
E.
10.  Which of the following is the term for a human cell that contains 22 pairs of autosomes and two X chromosomes?
A.
B.
C.
D.
E.
11.  The centromere is a region in which
A.
B.
C.
D.
E.
12.  What is a genome?
A.
B.
C.
D.
E.
13.  What is a chromatid?
A.
B.
C.
D.
E.
14.  How do the daughter cells at the end of mitosis and cytokinesis compare with their parent cell when it was in G1 of the cell cycle?
A.
B.
C.
D.
E.
15.  Which of these statements is false?
A.
B.
C.
D.
E.
16.  When does the synaptonemal complex disappear?
A.
B.
C.
D.
E.
17.  Which of the following is false regarding the bacterial chromosome?
A.
B.
C.
D.
E.
18.  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
19.  Which number represents the point in the cell cycle during which the chromosomes are replicated?
A.
B.
C.
D.
E.
20.  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?
A.
B.
C.
D.
E.
21.  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.
22.  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
23.  Which of the following is missing from the life cycle progression shown below?  sporophyte-meiosis-spore-________-gametophyte-mitosis-gametes- fertilization-zygote
A.
B.
C.
D.
E.
24.  When pairs of homologous chromosomes separate during anaphase I,
A.
B.
C.
D.
25.                  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.
26.  In animals, somatic cells are produced by mitosis and ________ are produced by meiosis.
A.
B.
C.
D.
E.
27.  Which of the following happens at the conclusion of meiosis I?
A.
B.
C.
D.
E.
28.  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.
29.  For a species with a haploid number of 23 chromosomes, how many different combinations of maternal and paternal chromosomes are possible for the gametes?
A.
B.
C.
D.
E.
30.  What is the name for the special region on a duplicated chromosome that holds the sister chromatids together?
A.
B.
C.
D.
E.
31.  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.
32.  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
33.  Which of the following is true of the process of meiosis?
A.
B.
C.
D.
E.
34.  Cells that are in a nondividing state are in which phase?
A.
B.
C.
D.
E.
35.  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
36.  Which of the following terms belongs with the words synapsis, tetrads, and chiasmata?
A.
B.
C.
D.
E.
37.  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
38.  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.
39.  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.
40.  MPF reaches its threshold concentration at the end of this stage.
A.
B.
C.
D.
E.
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