Mitosis And Meiosis - ChAPters 12-13 - AP Biology

40 Questions  I  By Muitran
Please take the quiz to rate it.

 mitosis and meiosis - chAPters 12-13 - AP biology

   or Create Online Exam
Changes are done, please start the quiz.


Questions and Answers

Removing question excerpt is a premium feature

Upgrade and get a lot more done!
1.  At which stage of mitosis are chromosomes photographed in the preparation of a karyotype?
A.
B.
C.
D.
E.
2.  Cytokinesis usually, but not always, follows mitosis. If a cell completed mitosis but not cytokinesis, the result would be a cell with
A.
B.
C.
D.
E.
3.  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
4.  The correct sequence of steps in the M phase of the cell cycle is
A.
B.
C.
D.
E.
5.                  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.
6.  Which of the following is true of a species that has a chromosome number of 2n = 16?
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 might represent a sperm cell?
A.
B.
C.
D.
E.
8.  Which of the following is (are) true concerning cyclin-dependent kinase (Cdk)?
A.
B.
C.
D.
E.
9.  Movement of the chromosomes during anaphase would be most affected by a drug that
A.
B.
C.
D.
E.
10.  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.
11.  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
12.  Which of these statements is false?
A.
B.
C.
D.
E.
13.  The MPF protein complex turns itself off by
A.
B.
C.
D.
E.
14.  If cells in the process of dividing are subjected to colchicine, a drug that interferes with the functioning of the spindle apparatus, at which stage will mitosis be arrested?
A.
B.
C.
D.
E.
15.  MPF reaches its threshold concentration at the end of this stage.
A.
B.
C.
D.
E.
16.  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
17.  When comparing prophase I of meiosis with prophase of mitosis, which of the following occurs only in meiosis?
A.
B.
C.
D.
E.
18.  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
19.  All of the following occur during mitosis except the
A.
B.
C.
D.
E.
20.  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.
21.  Crossing over occurs during which phase of meiosis?
A.
B.
C.
D.
E.
22.  What is a chromatid?
A.
B.
C.
D.
E.
23.  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
24.  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
25.  Independent assortment of chromosomes is a result of
A.
B.
C.
D.
E.
26.  A particular cyclin called cyclin E forms a complex with a cyclin-dependent kinase called Cdk 2.  This complex is important for the progression of the cell from G1 into the S phase of the cell cycle.  Which of the following statements is correct?
A.
B.
C.
D.
E.
27.  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
28.  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
29.  In which group of eukaryotic organisms does the nuclear envelope remain intact during mitosis?
A.
B.
C.
D.
E.
30.  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
31.  When does the synaptonemal complex disappear?
A.
B.
C.
D.
E.
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.  When pairs of homologous chromosomes separate during anaphase I,
A.
B.
C.
D.
34.  In the figure above, mitosis is represented by which number?
A.
B.
C.
D.
E.
35.  What is the name of enzymes that control the activities of other proteins by phosphorylating them?
A.
B.
C.
D.
E.
36.  An enzyme that attaches a phosphate group to another molecule is called a
A.
B.
C.
D.
E.
37.  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.
38.  What is the name for the special region on a duplicated chromosome that holds the sister chromatids together?
A.
B.
C.
D.
E.
39.  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
40.  The somatic cells derived from a single-celled zygote divide by which process?
A.
B.
C.
D.
E.
Back to top

Removing ad is a premium feature

Upgrade and get a lot more done!
Take Another Quiz
We have sent an email with your new password.