Question 1

Which of the following is a characteristic of a bacteriophage?

Accepted Answer

A)  Is a naked virus 
B)  Is the most common cause of the common cold 
C)  Has a spiked protein coat 
D)  Infects animals 
E)  Has a lipid envelope 
A)  Is a naked virus 
B)  Is the most common cause of the common cold 
C)  Has a spiked protein coat 
D)  Infects animals 
E)  Has a lipid envelope

Question 2

The methanogenic archaeans are ____.

Accepted Answer

A)  aerobes 
B)  facultative anaerobes 
C)  strict aerobes 
D)  facultative anaerobes.. 
E)  strict anaerobes. 
A)  aerobes 
B)  facultative anaerobes 
C)  strict aerobes 
D)  facultative anaerobes.. 
E)  strict anaerobes.

Question 3

Which organism obtains energy by removing electrons from inorganic molecules?

Accepted Answer

A)  Chemoautotroph 
B)  Chemoheterotroph 
C)  Photoautotroph 
D)  Photoheterotroph 
E)  Electroautotroph 
A)  Chemoautotroph 
B)  Chemoheterotroph 
C)  Photoautotroph 
D)  Photoheterotroph 
E)  Electroautotroph

Question 4

The three types of horizontal gene flow that occur in bacteria are __________,__________,and __________.

Accepted Answer

conjugation; transduction; transformatio

Question 5

Sequencing of the HIV-1 genome revealed that it is most closely related to ____.

Accepted Answer

A)  simian immunodeficiency virus 
B)  feline immunodeficiency virus 
C)  bovine immunodeficiency virus 
D)  hepatitis B 
E)  H1N1 
A)  simian immunodeficiency virus 
B)  feline immunodeficiency virus 
C)  bovine immunodeficiency virus 
D)  hepatitis B 
E)  H1N1

Question 6

AIDS stands for ____.

Accepted Answer

A)  Acquired Immune Deficiency Syndrome 
B)  Accelerated Immune Death Syndrome 
C)  Accentuated Induced Deficiency Syndrome 
D)  Advantageous Immunity Deficiency Syndrome 
E)  Acquired Immuno Defense Syndrome 
A)  Acquired Immune Deficiency Syndrome 
B)  Accelerated Immune Death Syndrome 
C)  Accentuated Induced Deficiency Syndrome 
D)  Advantageous Immunity Deficiency Syndrome 
E)  Acquired Immuno Defense Syndrome

Question 7

In which of the following ways are archaea similar to eukaryotic cells?

Accepted Answer

A)  Size 
B)  Shape 
C)  Presence of histones 
D)  DNA polymerases 
E)  Presence of operons 
A)  Size 
B)  Shape 
C)  Presence of histones 
D)  DNA polymerases 
E)  Presence of operons

Question 8

Four of the following are viral diseases.Which one is the exception?

Accepted Answer

A)  Herpes 
B)  Measles 
C)  Bubonic plague 
D)  Hepatitis 
E)  Chicken pox 
A)  Herpes 
B)  Measles 
C)  Bubonic plague 
D)  Hepatitis 
E)  Chicken pox

Question 9

What is methanogen?

Accepted Answer

A)  An organism adapted to life in a highly salty environment 
B)  An organism that produces a highly salted substance 
C)  An organism adapted to life in a methane gas environment 
D)  An organism that produces methane gas as a metabolic by-product 
E)  An organism that produces methane and carbon dioxide as a metabolic by-product 
A)  An organism adapted to life in a highly salty environment 
B)  An organism that produces a highly salted substance 
C)  An organism adapted to life in a methane gas environment 
D)  An organism that produces methane gas as a metabolic by-product 
E)  An organism that produces methane and carbon dioxide as a metabolic by-product

Question 10

Which prokaryotic nutritional group use organic substances for carbon and photons for energy?

Accepted Answer

A)  Photoautotrophs 
B)  Chemoautotrophs 
C)  Photoheterotrophs 
D)  Chemoheterotrophs 
E)  Methanoheterotrophs 
A)  Photoautotrophs 
B)  Chemoautotrophs 
C)  Photoheterotrophs 
D)  Chemoheterotrophs 
E)  Methanoheterotrophs

Question 11

________________ is one of the earliest antibiotics isolated from a fungus that lives in soil; it acts by inhibiting cell wall synthesis.

Accepted Answer

The answer of ________________ is one of the earliest antibiotics...

Question 12

A(n)__________ is a noncellular infectious particle with a protein coat enclosing DNA or RNA.

Accepted Answer

The answer of A(n)__________ is a noncellular infectious particle with...

Question 13

Four of the following are true of herpes simplex 1.Which one is the exception?

Accepted Answer

A)  It is related to the virus that causes chickenpox. 
B)  It has a latent phase in its replication cycle. 
C)  It can remain latent in nerve cells for years. 
D)  Activation of the latent virus causes cold sores. 
E)  Once activated it causes a form of skin cancer. 
A)  It is related to the virus that causes chickenpox. 
B)  It has a latent phase in its replication cycle. 
C)  It can remain latent in nerve cells for years. 
D)  Activation of the latent virus causes cold sores. 
E)  Once activated it causes a form of skin cancer.

Question 14

Of all organisms,prokaryotes are the ____.

Accepted Answer

A)  smallest 
B)  least abundant 
C)  least metabolically diverse 
D)  least widespread 
E)  most internally complex 
A)  smallest 
B)  least abundant 
C)  least metabolically diverse 
D)  least widespread 
E)  most internally complex

Question 15

Bacteriorhodopsin is a light-sensitive pigment found in ____ archaeans used to supply energy for ____ production.

Accepted Answer

A)  halophilic; ATP 
B)  thermophilic; carbohydrate 
C)  methanogenic; methane 
D)  halophilic; carbohydrate 
E)  thermophilic; ATP 
A)  halophilic; ATP 
B)  thermophilic; carbohydrate 
C)  methanogenic; methane 
D)  halophilic; carbohydrate 
E)  thermophilic; ATP

Question 16

____ is a dangerous bacteria that infects wounds.

Accepted Answer

A)  Thiomargarita namibiensis 
B)  Clostridium tetani 
C)  Bacillus anthracis 
D)  Helicobacter pylori 
E)  Thermus aquaticus 
A)  Thiomargarita namibiensis 
B)  Clostridium tetani 
C)  Bacillus anthracis 
D)  Helicobacter pylori 
E)  Thermus aquaticus

Question 17

In which type of bacteria is the outermost layer of the cell a thick wall of peptidoglycan?

Accepted Answer

A)  Proteobacteria 
B)  Cyanobacteria 
C)  Gram-positive bacteria 
D)  Gram-negative bacteria 
E)  Chlamydias 
A)  Proteobacteria 
B)  Cyanobacteria 
C)  Gram-positive bacteria 
D)  Gram-negative bacteria 
E)  Chlamydias

Question 18

Mycobacteria secrete a waxy coating that makes this disease difficult to treat using antibiotics:

Accepted Answer

A)  Whooping cough 
B)  Cholera 
C)  Lyme disease 
D)  Impetigo 
E)  Tuberculosis 
A)  Whooping cough 
B)  Cholera 
C)  Lyme disease 
D)  Impetigo 
E)  Tuberculosis

Question 19

Which characteristic is LEAST accurate about endospores?

Accepted Answer

A)  They can be destroyed with boiling water. 
B)  They are resistant to freezing. 
C)  They can withstand irradiation. 
D)  They can remain viable for millions of years. 
E)  They can withstand drying out. 
A)  They can be destroyed with boiling water. 
B)  They are resistant to freezing. 
C)  They can withstand irradiation. 
D)  They can remain viable for millions of years. 
E)  They can withstand drying out.

Question 20

Which prokaryote is described accurately?

Accepted Answer

A)  A coccus is corkscrew shaped. 
B)  An archaean is arch shaped. 
C)  A bacillus is rod shaped. 
D)  A spirillum is spherical. 
E)  A coccus is flattened. 
A)  A coccus is corkscrew shaped. 
B)  An archaean is arch shaped. 
C)  A bacillus is rod shaped. 
D)  A spirillum is spherical. 
E)  A coccus is flattened.

Exam 20: Viruses, Bacteria, and Archaea

Which of the following is a characteristic of a bacteriophage?

The methanogenic archaeans are ____.

Which organism obtains energy by removing electrons from inorganic molecules?

The three types of horizontal gene flow that occur in bacteria are __________,__________,and __________.

Sequencing of the HIV-1 genome revealed that it is most closely related to ____.

AIDS stands for ____.

In which of the following ways are archaea similar to eukaryotic cells?

Four of the following are viral diseases.Which one is the exception?

What is methanogen?

Which prokaryotic nutritional group use organic substances for carbon and photons for energy?

________________ is one of the earliest antibiotics isolated from a fungus that lives in soil; it acts by inhibiting cell wall synthesis.

A(n)__________ is a noncellular infectious particle with a protein coat enclosing DNA or RNA.

Four of the following are true of herpes simplex 1.Which one is the exception?

Of all organisms,prokaryotes are the ____.

Bacteriorhodopsin is a light-sensitive pigment found in ____ archaeans used to supply energy for ____ production.

____ is a dangerous bacteria that infects wounds.

In which type of bacteria is the outermost layer of the cell a thick wall of peptidoglycan?

Mycobacteria secrete a waxy coating that makes this disease difficult to treat using antibiotics:

Which characteristic is LEAST accurate about endospores?

Which prokaryote is described accurately?

Invitation to Biology

Life's Chemical Bases

Molecules of Life

Cell Structure

Ground Rules of Metabolism

Where it Starts—Photosynthesis

How Cells Release Chemical Energy

DNA Structure and Function

From DNA to Protein

Control of Gene Expression

How Cells Reproduce

Meiosis and Sexual Reproduction

Observing Patterns in Inherited Traits

Chromosomes and Human Inheritance

Studying and Manipulating Genomes

Evidence of Evolution

Processes of Evolution

Organizing Information about Species

Life's Origin and Early Evolution

Protists: The Simplest Eukaryotes

The Land Plants

Fungi

Animal Evolution: The Invertebrates

Animal Evolution: The Chordates

Human Evolution

Plant Tissues

Plant Nutrition and Transport

Life Cycles of Flowering Plants

Communication Strategies in Plants

Animal Tissues and Organ Systems

Neural Control

Sensory Perception

Endocrine Control

Structural Support and Movement

Circulation

Immunity

Respiration

Digestion and Nutrition

Maintaining the Internal Environment

Animal Reproductive System

Animal Development

Animal Behavior

Population Ecology

Community Ecology

Ecosystems

The Biosphere

Human Impacts on the Biosphere

Filters

The three types of horizontal gene flow that occur in bacteria are ,,and __.

Bacteriorhodopsin is a light-sensitive pigment found in archaeans used to supply energy for production.