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. 
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.
2. 
Which of the life cycles is typical for animals?
A.
B.
C.
D.
E.
3.  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
4.  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.
5.  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.
6.  If mammalian cells receive a go-ahead signal at the G1 checkpoint, they will
A.
B.
C.
D.
E.
7.  The correct sequence of steps in the M phase of the cell cycle is
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.  Which of the following is true of the process of meiosis?
A.
B.
C.
D.
E.
10.  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.
11.  Chromosomes first become visible during ________ of mitosis.
A.
B.
C.
D.
E.
12. 
Which drawing represents a stage of meiosis in which independent assortment might occur if there were more than one pair of chromosomes represented?
13.  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.
14. 
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.
15.  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
16.  Which of the following organisms does not reproduce cells by mitosis and cytokinesis?
A.
B.
C.
D.
E.
17.  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
18.  Cells that are in a nondividing state are in which phase?
A.
B.
C.
D.
E.
19.  All of the following occur during prophase of mitosis in animal cells except
A.
B.
C.
D.
E.
20.  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.
21.  The human X and Y chromosomes are
A.
B.
C.
D.
E.
22.  What is a chromatid?
A.
B.
C.
D.
E.
23.  Where do the microtubules of the spindle originate during mitosis in both plant and animal cells?
A.
B.
C.
D.
E.
24.  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
25.  Which of these statements is false?
A.
B.
C.
D.
E.
26.  Which of the following is an example of alternation of generations?
A.
B.
C.
D.
E.
27.  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.
28.  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.
29.  Asexual reproduction and sexual reproduction are different in that
A.
B.
C.
D.
E.
30.  If the liver cells of an animal have 24 chromosomes, how many chromosomes do its sperm cells have?
A.
B.
C.
D.
E.
31.  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
32.  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.
33.  An enzyme that attaches a phosphate group to another molecule is called a
A.
B.
C.
D.
E.
34.  All of the following occur during mitosis except the
A.
B.
C.
D.
E.
35.                  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
36.  Which of the following happens at the conclusion of meiosis I?
A.
B.
C.
D.
E.
37. 
Which number represents the point in the cell cycle during which the chromosomes are replicated?
A.
B.
C.
D.
E.
38. 
G1 is represented by which number(s)?
A.
B.
C.
D.
E.
39. 
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.
40.  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.
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