C HAPTER 7: M OLECULAR B IOLOGY OF
M ICROBIAL G ROWTH
Test Bank for Brock Biology of Microorganism 16th Edition by Michael T.
Madigan
7.1 Multiple Choice Questions
1. Fluorescence microscopy allows visualization of all of the following
EXCEPT
A) cytoskeletal proteins.
B) nuclear proteins.
C) interactions between cytoplasmic proteins.
D) All of these answer choices can be visualized.
2. Once replication of the chromosome has begun, DnaA is inactivated
A) as a result of being blocked from oriC
B) by increased expres sion of FtsZ.
C) as a result of increased binding to ATP.
D) by increased binding of DnaA -ATP to oriC.
3. _____ prohibits re-initiation of chromosome replication.
A) DnaA-ATP
B) SeqA
C) oriC
D) FtsZ
4. Prior to DNA replication, both strands of the chromosome are methylated
on the ______ residue of the sequence -GATC-.
, A) A
B) G
C) C
D) T
5. Hemimethylated DNA is found on
A) the newl y synthesized strand of DNA immediatel y after replication.
B) the parental strand of DNA immediatel y after replication.
C) both strands of dsDNA immediatel y after replication.
D) neither strand of DNA immediatel y after replication.
6. The t ypical time required for chromosome replication in Escherichia coli
is
A) 10 minutes.
B) 20 minutes.
C) 30 minutes.
D) 40 minutes.
7. The t ypical generation time of Escherichia coli is approximatel y under
optimal environmental conditions.
A) 10 minutes
B) 20 minutes
C) 30 minutes
D) 40 minutes
8. The Par system is necessary for
A) formation of a replication fork in Escherichia coli.
B) distribution of genetic material in replic ating Caulobacter.
C) septum formation.
D) elongation of bacillus prior to cell division.
9. Which of the following proteins is most active in divisome complexes?
M ICROBIAL G ROWTH
Test Bank for Brock Biology of Microorganism 16th Edition by Michael T.
Madigan
7.1 Multiple Choice Questions
1. Fluorescence microscopy allows visualization of all of the following
EXCEPT
A) cytoskeletal proteins.
B) nuclear proteins.
C) interactions between cytoplasmic proteins.
D) All of these answer choices can be visualized.
2. Once replication of the chromosome has begun, DnaA is inactivated
A) as a result of being blocked from oriC
B) by increased expres sion of FtsZ.
C) as a result of increased binding to ATP.
D) by increased binding of DnaA -ATP to oriC.
3. _____ prohibits re-initiation of chromosome replication.
A) DnaA-ATP
B) SeqA
C) oriC
D) FtsZ
4. Prior to DNA replication, both strands of the chromosome are methylated
on the ______ residue of the sequence -GATC-.
, A) A
B) G
C) C
D) T
5. Hemimethylated DNA is found on
A) the newl y synthesized strand of DNA immediatel y after replication.
B) the parental strand of DNA immediatel y after replication.
C) both strands of dsDNA immediatel y after replication.
D) neither strand of DNA immediatel y after replication.
6. The t ypical time required for chromosome replication in Escherichia coli
is
A) 10 minutes.
B) 20 minutes.
C) 30 minutes.
D) 40 minutes.
7. The t ypical generation time of Escherichia coli is approximatel y under
optimal environmental conditions.
A) 10 minutes
B) 20 minutes
C) 30 minutes
D) 40 minutes
8. The Par system is necessary for
A) formation of a replication fork in Escherichia coli.
B) distribution of genetic material in replic ating Caulobacter.
C) septum formation.
D) elongation of bacillus prior to cell division.
9. Which of the following proteins is most active in divisome complexes?
