Chapter 8:
The Cell Cycle
Practice Test
1.
What is the narrow point near the center of the chromosome by which sister chromatids are attached?
a.
kinetochore
b.
metaphase plate
c.
spindle
d.
centromere
Hint
2.
What is another term for mitosis?
a.
S stage
b.
nuclear division
c.
interphase
d.
cytokinesis
Hint
3.
Eukaryotic cell division is part of a complex series of stages in the life of a cell, called ____________ .
a.
homeostasis
b.
the cell cycle
c.
the life cycle
d.
circulation
Hint
4.
What is the result of the synthesis of DNA?
a.
two double-stranded DNA molecules
b.
two double-stranded RNA molecules
c.
one strand of DNA and its complementary RNA strand
d.
four single-stranded DNA molecules
Hint
5.
Which of these cells in the human body, when mature, do not normally divide?
a.
nerve cells
b.
liver cells
c.
skin cells
d.
stem cells
Hint
6.
What is any change in the sequence of a cell's DNA?
a.
a nuclear division
b.
a restriction
c.
a replication
d.
a mutation
Hint
7.
DNA synthesis requires DNA polymerase, an RNA synthesizine enzyme, and an enzyme that unwinds the double helix. What is the combination of these proteins and DNA called?
a.
chromatin
b.
replication origins
c.
a nucleosome
d.
a replisome
Hint
8.
If checkpoint control proteins detect mistakes and damage during the cell cycle, the cell enters ________ so that repairs can be made.
a.
cell-cycle arrest
b.
interphase
c.
nuclear division
d.
cytokinesis
Hint
9.
Once mitosis is complete, what must occur before cell division is complete?
a.
DNA replication
b.
cytokinesis
c.
nuclear division
d.
passing the restriction point
Hint
10.
What is the enzyme that catalyzes the formation of the new DNA strands?
a.
cyclin
b.
kinase
c.
DNA polymerase
d.
histone
Hint
