Question 1

Which one of the following pairs is mismatched?

Accepted Answer

A)  metachromatic granules - phosphate storage
B)  lipid inclusions - energy reserve
C)  ribosomes - carbon storage
D)  sulfur granules - energy reserve
E)  gas vacuoles - flotationF) B) and C)
G) A) and D)

Question 2

In bacteria,photosynthetic pigments are found in

Accepted Answer

A)  chloroplasts.
B)  cytoplasm.
C)  chromatophores.
D)  mesosomes.
E)  ribosomes.F) All of the above
G) A) and B)

Question 3

Cells may frequently find themselves in an environment with very low extracellular concentrations of substances needed in higher amounts inside the cell.To obtain these needed items,such cells would be most likely to engage in

Accepted Answer

A)  simple diffusion.
B)  facilitated diffusion.
C)  active transport.
D)  osmosis.E) B) and C)
F) C) and D)

Question 4

Which one of the following organisms has a cell wall?

Accepted Answer

A)  protoplasts
B)  fungi
C)  L forms
D)  mycoplasmas
E)  animal cellsF) B) and D)
G) C) and E) B

Question 5

What is a biofilm and what role does biofilm play in disease?

Accepted Answer

A biofilm is a complex aggregation of mi...

Question 6

Which structure protects bacteria from being phagocytized?

Accepted Answer

A)  slime layer
B)  fimbriae
C)  capsule
D)  cell membrane
E)  cell wallF) A) and D)
G) C) and E)

Question 7

Which of the following statements is TRUE?

Accepted Answer

A)  Endospores are for reproduction.
B)  Endospores allow a cell to survive environmental changes by producing a dormant period with no growth.
C)  Endospores are easily stained in a Gram stain.
D)  A cell produces one endospore and keeps growing.
E)  A cell can produce many endospores.F) A) and E)
G) None of the above B

Question 8

Which of the following statements is INCORRECT regarding prokaryotic cells?

Accepted Answer

A)  Their DNA is not enclosed within a membrane.
B)  They lack membrane-enclosed organelles.
C)  They typically have a circular chromosome.
D)  They reproduce by binary fission.
E)  They lack a plasma membrane.F) A) and E)
G) B) and C)

Question 9

The internal structure of bacterial and eukaryotic flagella are the same.

Accepted Answer

A) True 
 B)False

Question 10

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

Accepted Answer

A)  a
B)  b
C)  c
D)  d
E)  eF) A) and E)
G) A) and D) B

Question 11

Oxygen crosses a plasma membrane

Accepted Answer

A)  by osmosis.
B)  through simple diffusion.
C)  with the help of a nonspecific transporter.
D)  through facilitated diffusion.
E)  through porins.F) D) and E)
G) C) and D)

Question 12

Compare and contrast the characteristics of a typical prokaryotic and eukaryotic cell.

Accepted Answer

Prokaryotic and eukaryotic cells are two...

Question 13

Which of the following statements is correct about passive diffusion?

Accepted Answer

A)  It requires an expenditure of energy by the cell.
B)  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) .
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 may require a transport protein.
E)  It involves movement of molecules down a concentration gradient and may require a transport protein.F) All of the above
G) A) and E)

Question 14

Figure 4.3
 
-In Figure 4.3,which diagram of a cell wall is resistant to many antibiotics (e.g.,penicillin) ?

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.F) A) and B)
G) A) and C)

Question 15

Which of the following structures is NOT found in some prokaryotic cells?

Accepted Answer

A)  flagellum
B)  axial filament
C)  cilium
D)  pilus
E)  peritrichous flagellaF) A) and D)
G) A) and E)

Question 16

Bacteria are a commonly used organism for studies of genetic material in the research laboratory.The nucleic acids must first be isolated from the cells for these studies.Which of the following would most likely be used to remove the cell wall from gram-positive bacterial cells prior to their lysis for nucleic acid isolation?

Accepted Answer

A)  lysozyme
B)  polymixins
C)  alcohol
D)  water
E)  mycolic acidF) B) and D)
G) C) and E)

Question 17

Endospores are a reproductive structure.

Accepted Answer

A) True 
 B)False

Question 18

Compare and contrast gram-positive and gram-negative cell walls with regard to (a)sensitivity to antimicrobial agents,(b)resistance to phagocytosis,(c)chemical composition,and (d)decolorization by alcohol.

Accepted Answer

Gram-positive and gram-negative cell wal...

Question 19

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

Accepted Answer

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

Question 20

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

Accepted Answer

A)  a
B)  b
C)  c
D)  d
E)  eF) C) and D)
G) A) and E)

Exam 4: Functional Anatomy of Prokaryotic and Eukaryotic

Which one of the following pairs is mismatched?

Correct Answer
verified

In bacteria,photosynthetic pigments are found in

Correct Answer
verified

Cells may frequently find themselves in an environment with very low extracellular concentrations of substances needed in higher amounts inside the cell.To obtain these needed items,such cells would be most likely to engage in

Correct Answer
verified

Which one of the following organisms has a cell wall?

Correct Answer
verified
B

What is a biofilm and what role does biofilm play in disease?

Correct Answer
Answered by ExamLex AI
A biofilm is a complex aggregation of mi...
View Answer

Which structure protects bacteria from being phagocytized?

Correct Answer
verified

Which of the following statements is TRUE?

Correct Answer
verified
B

Which of the following statements is INCORRECT regarding prokaryotic cells?

Correct Answer
verified

The internal structure of bacterial and eukaryotic flagella are the same.

Correct Answer
verified

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

Correct Answer
verified
B

Oxygen crosses a plasma membrane

Correct Answer
verified

Compare and contrast the characteristics of a typical prokaryotic and eukaryotic cell.

Correct Answer
Answered by ExamLex AI
Prokaryotic and eukaryotic cells are two...
View Answer

Which of the following statements is correct about passive diffusion?

Correct Answer
verified

Figure 4.3 -In Figure 4.3,which diagram of a cell wall is resistant to many antibiotics (e.g.,penicillin) ?

Correct Answer
verified

Which of the following structures is NOT found in some prokaryotic cells?

Correct Answer
verified

Correct Answer
verified

Endospores are a reproductive structure.

Correct Answer
verified

Compare and contrast gram-positive and gram-negative cell walls with regard to (a)sensitivity to antimicrobial agents,(b)resistance to phagocytosis,(c)chemical composition,and (d)decolorization by alcohol.

Correct Answer
Answered by ExamLex AI
Gram-positive and gram-negative cell wal...
View Answer

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

Correct Answer
verified

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

Correct Answer
verified

Exam 4: Functional Anatomy of Prokaryotic and Eukaryotic

Which one of the following pairs is mismatched?

Correct AnswerverifiedShow Answer

In bacteria,photosynthetic pigments are found in

Correct AnswerverifiedShow Answer

Cells may frequently find themselves in an environment with very low extracellular concentrations of substances needed in higher amounts inside the cell.To obtain these needed items,such cells would be most likely to engage in

Correct AnswerverifiedShow Answer

Which one of the following organisms has a cell wall?

Correct AnswerverifiedB

What is a biofilm and what role does biofilm play in disease?

Correct AnswerAnswered by ExamLex AIA biofilm is a complex aggregation of mi...View AnswerShow Answer

Which structure protects bacteria from being phagocytized?

Correct AnswerverifiedShow Answer

Which of the following statements is TRUE?

Correct AnswerverifiedB

Which of the following statements is INCORRECT regarding prokaryotic cells?

Correct AnswerverifiedShow Answer

The internal structure of bacterial and eukaryotic flagella are the same.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedB

Oxygen crosses a plasma membrane

Correct AnswerverifiedShow Answer

Compare and contrast the characteristics of a typical prokaryotic and eukaryotic cell.

Correct AnswerAnswered by ExamLex AIProkaryotic and eukaryotic cells are two...View AnswerShow Answer

Which of the following statements is correct about passive diffusion?

Correct AnswerverifiedShow Answer

Figure 4.3 -In Figure 4.3,which diagram of a cell wall is resistant to many antibiotics (e.g.,penicillin) ?

Correct AnswerverifiedShow Answer

Which of the following structures is NOT found in some prokaryotic cells?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Endospores are a reproductive structure.

Correct AnswerverifiedShow Answer

Compare and contrast gram-positive and gram-negative cell walls with regard to (a)sensitivity to antimicrobial agents,(b)resistance to phagocytosis,(c)chemical composition,and (d)decolorization by alcohol.

Correct AnswerAnswered by ExamLex AIGram-positive and gram-negative cell wal...View AnswerShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
B

Correct Answer
Answered by ExamLex AI
A biofilm is a complex aggregation of mi...
View Answer

Correct Answer
verified

Correct Answer
verified
B

Correct Answer
verified

Correct Answer
verified

Correct Answer
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B

Correct Answer
verified

Correct Answer
Answered by ExamLex AI
Prokaryotic and eukaryotic cells are two...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
Answered by ExamLex AI
Gram-positive and gram-negative cell wal...
View Answer

Correct Answer
verified

Correct Answer
verified