Question 1

Which of the following is a correct description of a prokaryote shape?

Accepted Answer

A)   A coccus is corkscrew shaped.
B)   An archaean is arch shaped.
C)   A bacillus is rod shaped.
D)   A spirillum is shperical.
E)   All of these are correct.F) A) and C)
G) D) and E)

Question 2

Why are endospores so dangerous to food production?

Accepted Answer

Endospores are capable of withstanding d...

Question 3

Most species of Gram-positive bacteria are

Accepted Answer

A)   photoautotrophic.
B)   photoheterotrophic.
C)   chemoautotrophic.
D)   chemoheterotrophic.
E)   photochemoautotrophic.F) A) and B)
G) C) and D)

Question 4

Gram-positive bacteria have ____ and appear ____ under the microscope.

Accepted Answer

A)   thick walls; pink
B)   thick walls; purple
C)   thin walls; pink
D)   thin walls; purple
E)   none of theseF) B) and E)
G) A) and C)

Question 5

Which of the following is false?

Accepted Answer

A)   The outer coats of all viruses are alike.
B)   The virus contains either DNA or RNA at its core, but not both.
C)   Viruses infect organisms in all three domains of life.
D)   Most viruses have a protein coat or covering.
E)   Some viruses benefit us indirectly.F) A) and B)
G) C) and D)

Question 6

Which of the following prokaryotic nutritional groups use CO2 and inorganic substances to produce energy?

Accepted Answer

A)   photoautotrophs
B)   chemoautotrophs
C)   photoheterotrophs
D)   chemoheterotrophs
E)   none of theseF) All of the above
G) B) and D)

Question 7

Which of the following is NOT true of type I Herpes simplex?

Accepted Answer

A)   It is a DNA virus.
B)   It has a latent phase in its replication cycle.
C)   It remains in nerve cells for a time.
D)   Sunburn or other stress can activate it.
E)   Once activated it causes a form of skin cancer.F) A) and E)
G) B) and D)

Question 8

Which of the following statements is true of the proteobacteria?

Accepted Answer

A)   They are the most diverse group of bacteria.
B)   Some are photoautotrophs.
C)   Some are chemoautotrophs.
D)   Some are chemoheterotrophs.
E)   All of these are true.F) C) and E)
G) B) and D)

Question 9

Which of the following lack a nucleus and are structurally simple?

Accepted Answer

A)   eukaryotes
B)   prokaryotes
C)   fungi
D)   algae
E)   all of theseF) C) and D)
G) B) and D)

Question 10

All of the following are located on the exterior surface of a prokaryote EXCEPT

Accepted Answer

A)   flagellum
B)   pilus
C)   plasma membrane
D)   capsule
E)   none of theseF) B) and C)
G) A) and D)

Question 11

How do archaea differ from bacteria?

Accepted Answer

For one, archaea are for more ...

Question 12

MATCHING
Classification.Answer the following questions using the five groups listed below:
a.halophiles
b.cyanobacteria
c.thermophiles
d.proteobacteria
e.methanogens
-__________ or __________ extend from many prokaryotic cells and serve in attachment and motility.

Accepted Answer

The answer of MATCHING
Classification.Answer the following questions using the five...

Question 13

Endospores can resist

Accepted Answer

A)   boiling water.
B)   acids.
C)   irradiation.
D)   disinfectants.
E)   all of these.F) A) and B)
G) All of the above

Question 14

MATCHING
Classification.Answer the following questions using the five groups listed below:
a.halophiles
b.cyanobacteria
c.thermophiles
d.proteobacteria
e.methanogens
-Bacteriophages may reproduce using a __________ pathway in which viral DNA becomes part of the host chromosome.

Accepted Answer

The answer of MATCHING
Classification.Answer the following questions using the five...

Question 15

Which of the following is not a characteristic of viruses?

Accepted Answer

A)   Contains DNA or RNA genetic material.
B)   Contains cytoplasm and ribosomes.
C)   Has a protein coat.
D)   Can only replicate inside a living host cell.
E)   Is very small.F) A) and D)
G) D) and E)

Question 16

AIDS is short for

Accepted Answer

A)   Acquired Immune Deficiency Syndrome.
B)   Accelerated Immune Death Syndrome.
C)   Accentuated Induced Deficiency Syndrome.
D)   Advantageous Immunity Deficiency Syndrome.
E)   none of these.F) A) and E)
G) B) and E)

Exam 20: Viruses and Prokaryotes

Which of the following is false?

Correct Answer
verified

Most species of Gram-positive bacteria are

Correct Answer
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MATCHING Classification.Answer the following questions using the five groups listed below: a.halophiles b.cyanobacteria c.thermophiles d.proteobacteria e.methanogens -Bacteriophages may reproduce using a __________ pathway in which viral DNA becomes part of the host chromosome.

Correct Answer
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All of the following are located on the exterior surface of a prokaryote EXCEPT

Correct Answer
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Gram-positive bacteria have and appear under the microscope.

Correct Answer
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AIDS is short for

Correct Answer
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Endospores can resist

Correct Answer
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Which of the following prokaryotic nutritional groups use CO₂ and inorganic substances to produce energy?

Correct Answer
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Why are endospores so dangerous to food production?

Correct Answer
verified
Endospores are capable of withstanding d...
View Answer

Which of the following is not a characteristic of viruses?

Correct Answer
verified

Which of the following is NOT true of type I Herpes simplex?

Correct Answer
verified

Which of the following is a correct description of a prokaryote shape?

Correct Answer
verified

Which of the following statements is true of the proteobacteria?

Correct Answer
verified

MATCHING Classification.Answer the following questions using the five groups listed below: a.halophiles b.cyanobacteria c.thermophiles d.proteobacteria e.methanogens - or extend from many prokaryotic cells and serve in attachment and motility.

Correct Answer
verified

How do archaea differ from bacteria?

Correct Answer
verified
For one, archaea are for more ...
View Answer

Which of the following lack a nucleus and are structurally simple?

Correct Answer
verified

Exam 20: Viruses and Prokaryotes

Which of the following is false?

Correct AnswerverifiedShow Answer

Most species of Gram-positive bacteria are

Correct AnswerverifiedShow Answer

MATCHING Classification.Answer the following questions using the five groups listed below: a.halophiles b.cyanobacteria c.thermophiles d.proteobacteria e.methanogens -Bacteriophages may reproduce using a __________ pathway in which viral DNA becomes part of the host chromosome.

Correct AnswerverifiedShow Answer

All of the following are located on the exterior surface of a prokaryote EXCEPT

Correct AnswerverifiedShow Answer

Gram-positive bacteria have ____ and appear ____ under the microscope.

Correct AnswerverifiedShow Answer

AIDS is short for

Correct AnswerverifiedShow Answer

Endospores can resist

Correct AnswerverifiedShow Answer

Which of the following prokaryotic nutritional groups use CO2 and inorganic substances to produce energy?

Correct AnswerverifiedShow Answer

Why are endospores so dangerous to food production?

Correct AnswerverifiedEndospores are capable of withstanding d...View AnswerShow Answer

Which of the following is not a characteristic of viruses?

Correct AnswerverifiedShow Answer

Which of the following is NOT true of type I Herpes simplex?

Correct AnswerverifiedShow Answer

Which of the following is a correct description of a prokaryote shape?

Correct AnswerverifiedShow Answer

Which of the following statements is true of the proteobacteria?

Correct AnswerverifiedShow Answer

MATCHING Classification.Answer the following questions using the five groups listed below: a.halophiles b.cyanobacteria c.thermophiles d.proteobacteria e.methanogens -__________ or __________ extend from many prokaryotic cells and serve in attachment and motility.

Correct AnswerverifiedShow Answer

How do archaea differ from bacteria?

Correct AnswerverifiedFor one, archaea are for more ...View AnswerShow Answer

Which of the following lack a nucleus and are structurally simple?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Gram-positive bacteria have and appear under the microscope.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Which of the following prokaryotic nutritional groups use CO₂ and inorganic substances to produce energy?

Correct Answer
verified

Correct Answer
verified
Endospores are capable of withstanding d...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

MATCHING Classification.Answer the following questions using the five groups listed below: a.halophiles b.cyanobacteria c.thermophiles d.proteobacteria e.methanogens - or extend from many prokaryotic cells and serve in attachment and motility.

Correct Answer
verified

Correct Answer
verified
For one, archaea are for more ...
View Answer

Correct Answer
verified