Question 1

Figure 4.1
  
-Which drawing in Figure 4.1 is a tetrad?

Accepted Answer

A)  a 
B)  b 
C)  c 
D)  d 
E)  e 
A)  a 
B)  b 
C)  c 
D)  d 
E)  e

Question 2

The DNA found in most bacterial cells

Accepted Answer

A)  is surrounded by a nuclear membrane. 
B)  is circular in structure. 
C)  is found in multiple copies. 
D)  utilizes histones for chromosomal packaging. 
E)  is linear in structure. 
A)  is surrounded by a nuclear membrane. 
B)  is circular in structure. 
C)  is found in multiple copies. 
D)  utilizes histones for chromosomal packaging. 
E)  is linear in structure.

Question 3

Which of the following statements is correct about passive diffusion?

Accepted Answer

A)  It is a process in which molecules move from a region of higher concentration to a region of lower concentration (or down a concentration gradient). 
B)  It may require a transport protein. 
C)  It is a process in which molecules move from a region of lower concentration to one of higher concentration (or up a concentration gradient). 
D)  It requires an expenditure of energy by the cell. 
E)  It involves movement of molecules down a concentration gradient and may require a transport protein. 
A)  It is a process in which molecules move from a region of higher concentration to a region of lower concentration (or down a concentration gradient). 
B)  It may require a transport protein. 
C)  It is a process in which molecules move from a region of lower concentration to one of higher concentration (or up a concentration gradient). 
D)  It requires an expenditure of energy by the cell. 
E)  It involves movement of molecules down a concentration gradient and may require a transport protein.

Question 4

The cell walls of bacteria are responsible for the shape of the bacteria and the difference in the Gram stain reaction.

Accepted Answer

A) True 
 B)False

Question 5

Many enzymes in both prokaryotic and eukaryotic cells are compartmentalized within organelles.

Accepted Answer

A) True 
 B)False

Question 6

In bacteria, photosynthetic pigments are found in

Accepted Answer

A)  chloroplasts. 
B)  chromatophores. 
C)  cytoplasm. 
D)  mesosomes. 
E)  ribosomes. 
A)  chloroplasts. 
B)  chromatophores. 
C)  cytoplasm. 
D)  mesosomes. 
E)  ribosomes.

Question 7

Figure 4.2   Which of the following terms best describes the cell in Figure 4.2?

Accepted Answer

A)  peritrichous flagella 
B)  monotrichous flagellum 
C)  amphitrichous flagella 
D)  lophotrichous flagella 
E)  axial filament 
A)  peritrichous flagella 
B)  monotrichous flagellum 
C)  amphitrichous flagella 
D)  lophotrichous flagella 
E)  axial filament

Question 8

Antibiotics that target cell wall synthesis ultimately cause bacterial cell death as a result of

Accepted Answer

A)  inhibition of molecular transport. 
B)  decreased synthesis of plasma membrane. 
C)  plasmolysis. 
D)  cell shrinkage. 
E)  osmotic lysis. 
A)  inhibition of molecular transport. 
B)  decreased synthesis of plasma membrane. 
C)  plasmolysis. 
D)  cell shrinkage. 
E)  osmotic lysis.

Question 9

Which one of the following organisms has a cell wall?

Accepted Answer

A)  mycoplasmas 
B)  L forms 
C)  protoplasts 
D)  fungi 
E)  animal cells 
A)  mycoplasmas 
B)  L forms 
C)  protoplasts 
D)  fungi 
E)  animal cells

Question 10

Small, hydrophobic molecules pass through a cell membrane most easily by diffusion.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following is NOT found or observed to occur in both mitochondria and prokaryotes?

Accepted Answer

A)  circular chromosome 
B)  binary fission 
C)  70S ribosomes 
D)  cell wall 
E)  ATP-generating mechanism 
A)  circular chromosome 
B)  binary fission 
C)  70S ribosomes 
D)  cell wall 
E)  ATP-generating mechanism

Question 12

Figure 4.3
  
-In Figure 4.3, which diagram of a cell wall contains porins?

Accepted Answer

A)  a 
B)  b 
C)  both a and b 
D)  neither a nor b 
E)  The answer cannot be determined based on the information provided. 
A)  a 
B)  b 
C)  both a and b 
D)  neither a nor b 
E)  The answer cannot be determined based on the information provided.

Question 13

Figure 4.3
  
-In Figure 4.3, which diagram of a cell wall is decolorized by alcohol?

Accepted Answer

A)  a 
B)  b 
C)  both a and b 
D)  neither a nor b 
E)  The answer cannot be determined based on the information provided. 
A)  a 
B)  b 
C)  both a and b 
D)  neither a nor b 
E)  The answer cannot be determined based on the information provided.

Question 14

Figure 4.1
  
-Which drawing in Figure 4.1 possesses an axial filament?

Accepted Answer

A)  a 
B)  b 
C)  c 
D)  d 
E)  e 
A)  a 
B)  b 
C)  c 
D)  d 
E)  e

Question 15

You have isolated a motile, gram-positive cell with no visible nucleus. You can safely assume that the cell

Accepted Answer

A)  has 9 pairs + 2 flagella. 
B)  has a cell wall. 
C)  has a mitochondrion. 
D)  lives in an extreme environment. 
E)  has cilia. 
A)  has 9 pairs + 2 flagella. 
B)  has a cell wall. 
C)  has a mitochondrion. 
D)  lives in an extreme environment. 
E)  has cilia.

Exam 4: Functional Anatomy of Prokaryotic and Eukaryotic Cells

Figure 4.1 -Which drawing in Figure 4.1 is a tetrad?

The DNA found in most bacterial cells

Which of the following statements is correct about passive diffusion?

The cell walls of bacteria are responsible for the shape of the bacteria and the difference in the Gram stain reaction.

Many enzymes in both prokaryotic and eukaryotic cells are compartmentalized within organelles.

In bacteria, photosynthetic pigments are found in

Figure 4.2 Which of the following terms best describes the cell in Figure 4.2?

Antibiotics that target cell wall synthesis ultimately cause bacterial cell death as a result of

Which one of the following organisms has a cell wall?

Small, hydrophobic molecules pass through a cell membrane most easily by diffusion.

Which of the following is NOT found or observed to occur in both mitochondria and prokaryotes?

Figure 4.3 -In Figure 4.3, which diagram of a cell wall contains porins?

Figure 4.3 -In Figure 4.3, which diagram of a cell wall is decolorized by alcohol?

Figure 4.1 -Which drawing in Figure 4.1 possesses an axial filament?

You have isolated a motile, gram-positive cell with no visible nucleus. You can safely assume that the cell

The Microbial World and You

Chemical Principles

Observing Microorganisms Through a Microscope

Microbial Metabolism

Microbial Growth

The Control of Microbial Growth

Microbial Genetics

Biotechnology and Dna Technology

Classification of Microorganisms

The Prokaryotes: Domains Bacteria and Archaea

The Eukaryotes: Fungi, Algae, Protozoa, and Helminths

Viruses, Viroids, and Prions

Principles of Disease and Epidemiology

Microbial Mechanisms of Pathogenicity

Adaptive Immunity: Specific Defenses of the Host

Practical Applications of Immunology

Disorders Associated With the Immune System

Antimicrobial Drugs

Microbial Diseases of the Skin and Eyes

Microbial Diseases of the Nervous System

Microbial Diseases of the Cardiovascular and Lymphatic Systems

Microbial Diseases of the Respiratory System

Microbial Diseases of the Digestive System

Microbial Disease of the Urinary and Reproductive Systems

Environmental Microbiology

Applied and Industrial Microbiology

Innate Immunity: Nonspecific Defenses of the Host

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