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Mitosis And Meiosis - ChAPters 12-13 - AP Biology

40 Questions  I  By Muitran
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mitosis and meiosis - chAPters 12-13 - AP biology

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1.  In the figure above, mitosis is represented by which number?
A.
B.
C.
D.
E.
2.  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.
3.  What is a karyotype?
A.
B.
C.
D.
E.
4.  Density-dependent inhibition is explained by which of the following?
A.
B.
C.
D.
E.
5.  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
6.  Which of the following are primarily responsible for cytokinesis in plant cells?
A.
B.
C.
D.
E.
7.  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.
8.  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
9.  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.
A.
B.
C.
D.
E.
10.  Which of the life cycles is typical for plants and some algae?
A.
B.
C.
D.
E.
11.  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.
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: Which sample might represent a sperm cell?
A.
B.
C.
D.
E.
13.  All of the following occur during mitosis except the
A.
B.
C.
D.
E.
14.  What causes the decrease in the amount of cyclin at a specific point in the cell cycle?
A.
B.
C.
D.
E.
15.  Which drawing represents anaphase of mitosis?
16.  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.
C.
D.
E.
17.  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.
18.  What is a chromatid?
A.
B.
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D.
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19.  Which of the following happens at the conclusion of meiosis I?
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B.
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D.
E.
20.  Movement of the chromosomes during anaphase would be most affected by a drug that
A.
B.
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D.
E.
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.  Which of the following statements about crossing over is incorrect?
A.
B.
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D.
E.
23.  If the liver cells of an animal have 24 chromosomes, how many chromosomes do its sperm cells have?
A.
B.
C.
D.
E.
24.  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.
25.  During which phases of mitosis are chromosomes composed of two chromatids?
A.
B.
C.
D.
E.
26.  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
27.  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
28.  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
29.  Asexual reproduction and sexual reproduction are different in that
A.
B.
C.
D.
E.
30.  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
31.  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.
32.  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.
A.
B.
C.
D.
E.
33.  In which group of eukaryotic organisms does the nuclear envelope remain intact during mitosis?
A.
B.
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D.
E.
34.  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
35.  In animals, meiosis results in gametes, and fertilization results in
A.
B.
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D.
E.
36.  Where do the microtubules of the spindle originate during mitosis in both plant and animal cells?
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B.
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D.
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37.  MPF reaches its threshold concentration at the end of this stage.
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B.
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D.
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38.  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
39.  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.
40.  Which number represents DNA synthesis?
A.
B.
C.
D.
E.
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