Question 1

Which of the following bacterial cell structures plays an important role in the creation of biofilms?

Accepted Answer

A)  pili 
B)  glycocalyces 
C)  fimbriae 
D)  flagella 
E)  both fimbriae and glycocalyces 
A)  pili 
B)  glycocalyces 
C)  fimbriae 
D)  flagella 
E)  both fimbriae and glycocalyces

Question 2

Formation of a biofilm may contribute to bacteria's ability to cause disease.

Accepted Answer

A) True 
 B)False

Question 3

Protein synthesis occurs in the

Accepted Answer

A)  ribosome. 
B)  nucleus. 
C)  periplasmic space. 
D)  cytoskeleton. 
E)  inclusion. 
A)  ribosome. 
B)  nucleus. 
C)  periplasmic space. 
D)  cytoskeleton. 
E)  inclusion.

Question 4

Some use group translocation as a means of transport.

Accepted Answer

A)  archaea 
B)  protozoa 
C)  eukaryotes 
D)  bacteria 
E)  eukaryotes and prokaryotes 
A)  archaea 
B)  protozoa 
C)  eukaryotes 
D)  bacteria 
E)  eukaryotes and prokaryotes

Question 5

Which of the following is unique to archaea?

Accepted Answer

A)  LPS 
B)  fimbriae 
C)  peptidoglycan 
D)  hami 
E)  pili 
A)  LPS 
B)  fimbriae 
C)  peptidoglycan 
D)  hami 
E)  pili

Question 6

Which of the following statements concerning centrioles is FALSE?

Accepted Answer

A)  Centrioles are believed to play a role in cellular processes such as mitosis and cytokinesis. 
B)  Centrioles are found in all organisms except prokaryotes. 
C)  Centrioles are found in a region of the cell called the centrosome. 
D)  The structure of centrioles is similar to that of eukaryotic flagella and cilia. 
E)  Centrioles are composed of microtubules. 
A)  Centrioles are believed to play a role in cellular processes such as mitosis and cytokinesis. 
B)  Centrioles are found in all organisms except prokaryotes. 
C)  Centrioles are found in a region of the cell called the centrosome. 
D)  The structure of centrioles is similar to that of eukaryotic flagella and cilia. 
E)  Centrioles are composed of microtubules.

Question 7

Some members of have hami.

Accepted Answer

A)  bacteria 
B)  eukaryotes 
C)  archaea 
D)  archaea and bacteria 
E)  bacteria and eukaryotes 
A)  bacteria 
B)  eukaryotes 
C)  archaea 
D)  archaea and bacteria 
E)  bacteria and eukaryotes

Question 8

The glycocalyx of a eukaryotic cell performs all of the following functions EXCEPT

Accepted Answer

A)  strengthening the cell surface. 
B)  anchoring cells to each other. 
C)  cellular recognition and communication. 
D)  protection against dehydration. 
E)  transfer of genetic material between cells. 
A)  strengthening the cell surface. 
B)  anchoring cells to each other. 
C)  cellular recognition and communication. 
D)  protection against dehydration. 
E)  transfer of genetic material between cells.

Question 9

Bacteria of the genus Mycoplasma lack cell walls. What sort of environment do they require for survival?

Accepted Answer

A)  a biofilm 
B)  hypertonic 
C)  isotonic 
D)  low temperature 
E)  hypotonic 
A)  a biofilm 
B)  hypertonic 
C)  isotonic 
D)  low temperature 
E)  hypotonic

Question 10

Chloroplasts use light energy to produce ATP and carbohydrates.

Accepted Answer

A) True 
 B)False

Question 11

Lipid A is a component of

Accepted Answer

A)  cytoplasmic membranes. 
B)  plant cell walls. 
C)  mycolic acid. 
D)  bacterial glycocalyces. 
E)  lipopolysaccharides. 
A)  cytoplasmic membranes. 
B)  plant cell walls. 
C)  mycolic acid. 
D)  bacterial glycocalyces. 
E)  lipopolysaccharides.

Question 12

The short structures on the surface of the cell in Figure 3.5 are cilia.

Accepted Answer

A) True 
 B)False

Question 13

Lipid (LPS/NAM/A/NAG) is a part of the Gram- negative cell outer membrane that can produce fever, inflammation, and shock when it is released into the bloodstream.

Accepted Answer

A) True 
 B)False

Question 14

The cytoplasmic membranes of contain phospholipids and proteins.

Accepted Answer

A)  archaeal cells 
B)  eukaryotic cells 
C)  bacterial cells 
D)  both bacterial and eukaryotic cells 
E)  archaeal, bacterial, and eukaryotic cells 
A)  archaeal cells 
B)  eukaryotic cells 
C)  bacterial cells 
D)  both bacterial and eukaryotic cells 
E)  archaeal, bacterial, and eukaryotic cells

Question 15

A higher concentration of solutes corresponds to a (higher/lower) concentration of water in a given solution.

Accepted Answer

The answer of A higher concentration of solutes corresponds to...

Question 16

Which of the following may be a component of bacterial cell walls?

Accepted Answer

A)  mycolic acid 
B)  tubulin 
C)  carrageenan 
D)  lipoteichoic acids 
E)  both lipoteichoic and mycolic acids 
A)  mycolic acid 
B)  tubulin 
C)  carrageenan 
D)  lipoteichoic acids 
E)  both lipoteichoic and mycolic acids

Question 17

Cell walls composed of polysaccharide are found in

Accepted Answer

A)  bacteria only. 
B)  archaea only. 
C)  eukaryotes only. 
D)  archaea and eukaryotes only. 
E)  archaea, bacteria, and eukaryotes. 
A)  bacteria only. 
B)  archaea only. 
C)  eukaryotes only. 
D)  archaea and eukaryotes only. 
E)  archaea, bacteria, and eukaryotes.

Question 18

Which of the following may have cell walls containing teichoic acids?

Accepted Answer

A)  archaea 
B)  Gram- negative bacteria only 
C)  Gram- positive bacteria only 
D)  both Gram- positive and Gram- negative bacteria 
E)  all prokaryotes 
A)  archaea 
B)  Gram- negative bacteria only 
C)  Gram- positive bacteria only 
D)  both Gram- positive and Gram- negative bacteria 
E)  all prokaryotes

Question 19

A structural molecule found in eukaryotic cytoskeletons, flagella, cilia, and centrioles is (flagellin/tubulin/fibrin).

Accepted Answer

The answer of A structural molecule found in eukaryotic cytoskeletons,...

Question 20

A (capsule/slime layer/matrix) is a type of glycocalyx that is firmly attached to the cell.

Accepted Answer

The answer of A (capsule/slime layer/matrix) is a type of...

Exam 3: Cell Structure and Function

Which of the following bacterial cell structures plays an important role in the creation of biofilms?

Formation of a biofilm may contribute to bacteria's ability to cause disease.

Protein synthesis occurs in the

Some use group translocation as a means of transport.

Which of the following is unique to archaea?

Which of the following statements concerning centrioles is FALSE?

Some members of have hami.

The glycocalyx of a eukaryotic cell performs all of the following functions EXCEPT

Bacteria of the genus Mycoplasma lack cell walls. What sort of environment do they require for survival?

Chloroplasts use light energy to produce ATP and carbohydrates.

Lipid A is a component of

The short structures on the surface of the cell in Figure 3.5 are cilia.

Lipid (LPS/NAM/A/NAG) is a part of the Gram- negative cell outer membrane that can produce fever, inflammation, and shock when it is released into the bloodstream.

The cytoplasmic membranes of contain phospholipids and proteins.

A higher concentration of solutes corresponds to a (higher/lower) concentration of water in a given solution.

Which of the following may be a component of bacterial cell walls?

Cell walls composed of polysaccharide are found in

Which of the following may have cell walls containing teichoic acids?

A structural molecule found in eukaryotic cytoskeletons, flagella, cilia, and centrioles is (flagellin/tubulin/fibrin).

A (capsule/slime layer/matrix) is a type of glycocalyx that is firmly attached to the cell.

A Brief History of Microbiology

The Chemistry of Microbiology

Microscopy, Staining, and Classification

Microbial Metabolism

Microbial Nutrition and Growth

Microbial Genetics

Recombinant Dna Technology

Controlling Microbial Growth in the Environment

Controlling Microbial Growth in the Body: Antimicrobial Drugs

Characterizing and Classifying Prokaryotes

Characterizing and Classifying Eukaryotes

Characterizing and Classifying Viruses, Viroids, and Prions

Infection, Infectious Disease, and Epidemiology

Innate Immunity

Adaptive Immunity

Immunization and Immune Testing

Immune Disorders

Pathogenic Gram-Positive Bacteria

Pathogenic Gram-Negative Cocci and Bacilli

Rickettsias, Chlamydias, Spirochetes, and Vibrios

Pathogenic Fungi

Parasitic Protozoa, Helminths, and Arthropod Vectors

Pathogenic Dna Viruses

Pathogenic Rna Viruses

Applied and Environmental Microbiology

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