Chapter 8:
The Cell Cycle
Practice Test
1.
In an eukaryotic cell, what controls the stages of the cell cycle?
a.
DNA polymerase
b.
proteins called histones
c.
kinases
d.
proteins called cyclins
Hint
2.
What is the result of the synthesis of DNA?
a.
one strand of DNA and its complementary RNA strand
b.
two double-stranded RNA molecules
c.
four single-stranded DNA molecules
d.
two double-stranded DNA molecules
Hint
3.
In DNA, the nitrogen base adenine only pairs with the nitrogen base _______ .
a.
guanine
b.
cytosine
c.
uracil
d.
thymine
Hint
4.
During what stage of the cell cycle does DNA replicate?
a.
S
b.
M
c.
G0
d.
R
Hint
5.
What is the point at which the cell receives signals that tell it to commit to a full round of the cell cycle?
a.
division point
b.
restriction point
c.
premitosis
d.
G0
Hint
6.
If checkpoint control proteins detect mistakes and damage during the cell cycle, the cell enters ________ so that repairs can be made.
a.
cytokinesis
b.
nuclear division
c.
cell-cycle arrest
d.
interphase
Hint
7.
Eukaryotic cell division is part of a complex series of stages in the life of a cell, called ____________ .
a.
the life cycle
b.
homeostasis
c.
circulation
d.
the cell cycle
Hint
8.
What is the period in the cell cycle between cell divisions?
a.
anaphase
b.
metaphase
c.
telophase
d.
interphase
Hint
9.
In what stage of the cell cycle are most cells found in adult multicellular organisms?
a.
G1
b.
S
c.
G0
d.
G2
Hint
10.
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.
a nucleosome
c.
a replisome
d.
replication origins
Hint
