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End of Chapter Quiz
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1
Prokaryotes reproduce new cells by
A)copying DNA then undergoing binary fission.
B)splitting in half.
C)undergoing mitosis.
D)copying DNA then undergoing the M phase.
2
The eukaryotic cell cycle is different from prokaryotic cell division in all the following ways except
A)the amount of DNA present in the cells.
B)how the DNA is packaged.
C)in the production of daughter cells.
D)the involvement of microtubules.
3
In eukaryotes, the genetic material is found in chromosomes and
A)the more complex the organism, the more pairs of chromosomes it has.
B)a few organisms have only one chromosome.
C)most eukaryotes have between 10 and 50 pairs of chromosomes.
D)most eukaryotes have between 2 and 10 pairs of chromosomes.
4
Homologous chromosomes
A)are also referred to as sister chromatids.
B)are genetically identical.
C)carry information about the same traits located in the same places on the chromosomes.
D)are connected to each other at their centromeres.
5
In mitosis, when the duplicated chromosomes line up in the center of the cell, that stage is called
A)prophase.
B)metaphase.
C)anaphase.
D)telophase.
6
The division of the cytoplasm in the eukaryotic cell cycle is called
A)interphase.
B)karyokinesis.
C)cytokinesis.
D)binary fission.
7
The cell cycle is controlled by
A)a series of checkpoints.
B)an internal clock.
C)the completion of one phase triggering the next phase.
D)cell size-when it grows large enough the cell cycle is triggered.
8
When cell division becomes unregulated, and a cluster of cells begins to grow without regard for the normal controls, that is called
A)a mutation.
B)cancer.
C)metastases.
D)oncogenes.
9
Which of the following is a cancer-causing gene?
A)a proto-oncogene
B)a tumor-suppressor gene
C)an oncogene
D)the p53 gene
10
The normal function of the p53 gene in the cell is
A)as a tumor-suppressor gene.
B)to monitor the DNA for damage.
C)to trigger the destruction of cells not capable of DNA repair.
D)All of the above.





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