Question 1

Which of the following is unique to archaea?

Accepted Answer

A)  hypotonic 
B)  hypertonic 
C)  isotonic 
D)  fluid mosaic 
E)  passive 
A)  hypotonic 
B)  hypertonic 
C)  isotonic 
D)  fluid mosaic 
E)  passive C

Question 2

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

Accepted Answer

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

Question 3

________ may have pili.

Accepted Answer

A)  Eukaryotes 
B)  Archaea 
C)  Bacteria 
D)  Prokaryotes 
E)  Both eukaryotes and bacteria 
A)  Eukaryotes 
B)  Archaea 
C)  Bacteria 
D)  Prokaryotes 
E)  Both eukaryotes and bacteria C

Question 4

Chromatin is composed of DNA and special packaging proteins called hopanoids.

Accepted Answer

A) True 
 B)False

Question 5

The bacterial ________ facilitates the process of bacterial cell division.

Accepted Answer

A)  nucleoid 
B)  inclusion 
C)  pilus 
D)  cytoskeleton 
E)  fimbriae 
A)  nucleoid 
B)  inclusion 
C)  pilus 
D)  cytoskeleton 
E)  fimbriae

Question 6

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

Accepted Answer

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

Question 7

Archaeal cytoplasmic membranes are composed of unbranched phospholipids.

Accepted Answer

A) True 
 B)False

Question 8

Which of the following statements concerning osmosis is FALSE?

Accepted Answer

A)  Osmosis requires a selectively permeable membrane. 
B)  During osmosis, water crosses to the side of the membrane with a lower solute concentration. 
C)  Cells placed in hypotonic solutions will gain water. 
D)  Crenation results when blood cells are placed in a hypertonic solution. 
E)  Osmosis stops when the system reaches equilibrium. 
A)  Osmosis requires a selectively permeable membrane. 
B)  During osmosis, water crosses to the side of the membrane with a lower solute concentration. 
C)  Cells placed in hypotonic solutions will gain water. 
D)  Crenation results when blood cells are placed in a hypertonic solution. 
E)  Osmosis stops when the system reaches equilibrium.

Question 9

Which of the following eukaryotic processes involve pseudopodia?

Accepted Answer

A)  endocytosis 
B)  exocytosis 
C)  amoeboid action 
D)  both amoeboid action and endocytosis 
E)  both endocytosis and exocytosis 
A)  endocytosis 
B)  exocytosis 
C)  amoeboid action 
D)  both amoeboid action and endocytosis 
E)  both endocytosis and exocytosis

Question 10

Chloroplasts differ from mitochondria in that the former have

Accepted Answer

A)  DNA. 
B)  two lipid bilayers. 
C)  70S ribosomes. 
D)  thylakoids. 
E)  cristae. 
A)  DNA. 
B)  two lipid bilayers. 
C)  70S ribosomes. 
D)  thylakoids. 
E)  cristae.

Question 11

Which of the following chemical substances contributes to the unique characteristics of acid-fast bacteria?

Accepted Answer

A)  N-acetylglucosamine 
B)  peptidoglycan 
C)  lipoteichoic acid 
D)  endotoxin 
E)  mycolic acid 
A)  N-acetylglucosamine 
B)  peptidoglycan 
C)  lipoteichoic acid 
D)  endotoxin 
E)  mycolic acid

Question 12

A(n)(symport/antiport/uniport)is a carrier protein that transports two substances in the same direction across a membrane.

Accepted Answer

The answer of A(n)(symport/antiport/uniport)is a carrier protein that transports two...

Question 13

Which of the following statements concerning the characteristics of life is FALSE?

Accepted Answer

A)  reproduction is defined as an increase in the size of an organism. 
B)  viruses have some, but not all, of the characteristics of living things. 
C)  organisms may not exhibit all of the characteristics of life at all times. 
D)  reproduction can occur asexually or sexually in living things. 
E)  living things store metabolic energy in the form of chemicals such as ATP. 
A)  reproduction is defined as an increase in the size of an organism. 
B)  viruses have some, but not all, of the characteristics of living things. 
C)  organisms may not exhibit all of the characteristics of life at all times. 
D)  reproduction can occur asexually or sexually in living things. 
E)  living things store metabolic energy in the form of chemicals such as ATP.

Question 14

The accumulation of glucose 6-phosphate inside a bacterial cell via phosphorylation of glucose is an example of

Accepted Answer

A)  facilitated diffusion. 
B)  group translocation. 
C)  osmosis. 
D)  plasmolysis. 
E)  diffusion. 
A)  facilitated diffusion. 
B)  group translocation. 
C)  osmosis. 
D)  plasmolysis. 
E)  diffusion.

Question 15

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,flagella,cilia,and...

Question 16

Protein synthesis occurs in the

Accepted Answer

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

Question 17

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 glycocalyx...

Question 18

Bacterial cell walls that are resistant to drying contain

Accepted Answer

A)  carbohydrates. 
B)  amino acids. 
C)  lipopolysaccharide. 
D)  tubulin. 
E)  waxes. 
A)  carbohydrates. 
B)  amino acids. 
C)  lipopolysaccharide. 
D)  tubulin. 
E)  waxes.

Question 19

The process illustrated in Figure 3.6 occurs in (eukaryotic/bacterial/archaeal)cells.

Accepted Answer

The answer of   
The process illustrated in Figure...

Question 20

Some ________ use group translocation as a means of transport.

Accepted Answer

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

Exam 3: Cell Structure and Function

Which of the following is unique to archaea?

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

________ may have pili.

Chromatin is composed of DNA and special packaging proteins called hopanoids.

The bacterial ________ facilitates the process of bacterial cell division.

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

Archaeal cytoplasmic membranes are composed of unbranched phospholipids.

Which of the following statements concerning osmosis is FALSE?

Which of the following eukaryotic processes involve pseudopodia?

Chloroplasts differ from mitochondria in that the former have

Which of the following chemical substances contributes to the unique characteristics of acid-fast bacteria?

A(n)(symport/antiport/uniport)is a carrier protein that transports two substances in the same direction across a membrane.

Which of the following statements concerning the characteristics of life is FALSE?

The accumulation of glucose 6-phosphate inside a bacterial cell via phosphorylation of glucose is an example of

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

Protein synthesis occurs in the

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

Bacterial cell walls that are resistant to drying contain

The process illustrated in Figure 3.6 occurs in (eukaryotic/bacterial/archaeal)cells.

Some ________ use group translocation as a means of transport.

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 Diseases, 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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