Glencoe Biology

Chapter 9: Cellular Reproduction

Chapter Test Practice

1
Imagine that these are cells. Which cell(s) would have the smallest surface area to volume ratios?

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A)largest
B)smallest
C)medium size
D)smallest and medium size
2
After fertilization, a mass of unspecialized cells called ___ form.
A)nerve cells
B)embryonic stem cells
C)cardiac cells
D)apoptosis cells
3
Substances known to cause cancer are called ____.
A)kinases
B)carcinogens
C)stem cells
D)aster fibers
4
The ____ contains spindle fibers, centrioles, and aster fibers.
A)spindle apparatus
B)centromere
C)chromosome
D)nuclear envelope
5
The method by which a cell's cytoplasm divides is called ____.
A)DNA replication
B)interphase
C)mitosis
D)cytokinesis
6
The phase of cell division in which chromatin condenses into chromosomes is ____.
A)telephase
B)anaphase
C)prophase
D)apoptosis
7
What aspect of cell function involves moving substances and signals among organelles?
A)apoptosis
B)cellular communication
C)mutation
D)cytokinetic signals
8
What can result from improper regulation in the cell cycle?
A)cancer
B)apoptosis
C)control checkpoints
D)mitosis without a prophase
9
What does this picture show?

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A)functions of the spindle apparatus
B)a cancer mutation
C)functions of cyclin and cyclin-dependent kinases
D)cytokinesis
10
What phase of cell division comes immediately after the phase shown here?

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A)cytokinesis
B)prophase
C)cyclin phase
D)anaphase
11
What structures are lined up at the center of this cell?

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A)cyclins
B)single chromatids
C)chromosomes
D)kinases
12
What would happen if cyclins did not function properly in the cell cycle?
A)cell cycle would not start
B)rapid cell division would occur
C)cyclin-dependent kinases would start cell cycle
D)rapid mutation would occur
13
Which of these events does not occur during telophase?
A)chromosomes arrive at cellular poles
B)cytoplasm splits in two
C)chromosomes relax
D)spindle apparatus disassembles
14
Which of these is not an example of how substances move within cells?
A)cytoskeleton network
B)cell cycle
C)motor proteins
D)diffusion
15
Why would diffusion be more inefficient in a large cell?
A)It relies on motor proteins.
B)It relies on the random movement of particles.
C)It relies on DNA mutations.
D)It relies on checkpoints in the cell cycle.
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