CAMPBELL BIOLOGY 8TH ED TEST BANK CHAPTER 27
A) membrane as well.
B) They undergo ready fossilization in sedimentary rock.
C)They possess typical prokaryotic
flagella.: B Topic: Concept 27.1
2. : Knowledge/Comprehension
2) Though plants, fungi, and prokaryotes all have cell
walls, we place them in different taxa.
Which of these observations comes closest to explaining
the basis for placing these
organisms in different taxa, well before relevant data
from molecular system-atics became
available?
A) Some closely resemble animals, which lack cell walls.
B) Their cell walls are composed of very different
biochemicals.
C) Some have cell walls only for support.
D) Some have cell walls only for protection from
herbivores.
E) Some have cell walls only to control
osmotic balance.: B Topic: Concept 27.1
,CAMPBELL BIOLOGY 8TH ED TEST BANK CHAPTER 27
3. : Knowledge/Comprehension
3) Which is the bacterial structure that acts as a
selective barrier, allowing nutrients to enter
the cell and wastes to leave the cell?
A) plasma membrane
B) capsule
C) cell wall
D) nucleoid region
, CAMPBELL BIOLOGY 8TH ED TEST BANK CHAPTER 27
E) pili: A
Topic: Concept 27.1
4. : Knowledge/Comprehension
546
4) Which statement about bacterial cell walls is false?
A) Bacterial cell walls differ in molecular composition from
plant cell walls.
B) Cell walls prevent cells from bursting in hypotonic
environments.
C) Cell walls prevent cells from dying in hypertonic
conditions.
D) Bacterial cell walls are similar in function to the cell
walls of many protists, fungi, and
plants.
E) Cell walls provide the cell with a degree of physical
protection from the environment.: C
Topic: Concept 27.1
5. : Knowledge/Comprehension
5) Which of these is the most common compound in the
cell walls of gram-pos-itive bacteria?
, CAMPBELL BIOLOGY 8TH ED TEST BANK CHAPTER 27
A) cellulose
B) lipopolysaccharide
C) lignin
D) peptidoglycan
E) protein:
D Topic:
Concept 27.1
6. : Knowledge/Comprehension
6) Penicillin is an antibiotic that inhibits enzymes from
catalyzing the synthesis of
peptidoglycan, so which prokaryotes should be most
vulnerable to inhibition by penicillin?
A) mycoplasmas
B) gram-positive bacteria
C) archaea
D) gram-negative bacteria
A) membrane as well.
B) They undergo ready fossilization in sedimentary rock.
C)They possess typical prokaryotic
flagella.: B Topic: Concept 27.1
2. : Knowledge/Comprehension
2) Though plants, fungi, and prokaryotes all have cell
walls, we place them in different taxa.
Which of these observations comes closest to explaining
the basis for placing these
organisms in different taxa, well before relevant data
from molecular system-atics became
available?
A) Some closely resemble animals, which lack cell walls.
B) Their cell walls are composed of very different
biochemicals.
C) Some have cell walls only for support.
D) Some have cell walls only for protection from
herbivores.
E) Some have cell walls only to control
osmotic balance.: B Topic: Concept 27.1
,CAMPBELL BIOLOGY 8TH ED TEST BANK CHAPTER 27
3. : Knowledge/Comprehension
3) Which is the bacterial structure that acts as a
selective barrier, allowing nutrients to enter
the cell and wastes to leave the cell?
A) plasma membrane
B) capsule
C) cell wall
D) nucleoid region
, CAMPBELL BIOLOGY 8TH ED TEST BANK CHAPTER 27
E) pili: A
Topic: Concept 27.1
4. : Knowledge/Comprehension
546
4) Which statement about bacterial cell walls is false?
A) Bacterial cell walls differ in molecular composition from
plant cell walls.
B) Cell walls prevent cells from bursting in hypotonic
environments.
C) Cell walls prevent cells from dying in hypertonic
conditions.
D) Bacterial cell walls are similar in function to the cell
walls of many protists, fungi, and
plants.
E) Cell walls provide the cell with a degree of physical
protection from the environment.: C
Topic: Concept 27.1
5. : Knowledge/Comprehension
5) Which of these is the most common compound in the
cell walls of gram-pos-itive bacteria?
, CAMPBELL BIOLOGY 8TH ED TEST BANK CHAPTER 27
A) cellulose
B) lipopolysaccharide
C) lignin
D) peptidoglycan
E) protein:
D Topic:
Concept 27.1
6. : Knowledge/Comprehension
6) Penicillin is an antibiotic that inhibits enzymes from
catalyzing the synthesis of
peptidoglycan, so which prokaryotes should be most
vulnerable to inhibition by penicillin?
A) mycoplasmas
B) gram-positive bacteria
C) archaea
D) gram-negative bacteria
