Question 1

AIDS is caused by:

Accepted Answer

A) bacteria. 
B) prions. 
C) viruses. 
D) viroids. 
E) fungi. 
A) bacteria. 
B) prions. 
C) viruses. 
D) viroids. 
E) fungi.

Question 2

Rabies is caused by:

Accepted Answer

A) bacteria. 
B) prions. 
C) viruses. 
D) viroids. 
E) fungi. 
A) bacteria. 
B) prions. 
C) viruses. 
D) viroids. 
E) fungi.

Question 3

Assume a genetic analysis of a sick animal's DNA indicates that part of one chromosome does not belong to the animal. It is foreign DNA and is not similar to any of the animal's normal genes. It most likely comes from a(n):

Accepted Answer

A) prion infection. 
B) bacterial infection. 
C) archaeal infection. 
D) viral infection. 
E) fungal infection. 
A) prion infection. 
B) bacterial infection. 
C) archaeal infection. 
D) viral infection. 
E) fungal infection.

Question 4

Avocado sunblotch is caused by:

Accepted Answer

A) bacteria. 
B) prions. 
C) viruses. 
D) viroids. 
E) fungi. 
A) bacteria. 
B) prions. 
C) viruses. 
D) viroids. 
E) fungi.

Question 5

Some bacteria use H2S instead of H2O in photosynthesis, and they release:

Accepted Answer

A) sulfur. 
B) ethanol. 
C) acetic acid. 
D) carbon monoxide. 
E) oxygen. 
A) sulfur. 
B) ethanol. 
C) acetic acid. 
D) carbon monoxide. 
E) oxygen.

Question 6

In what ways are bacteria beneficial to humans?

Accepted Answer

Bacteria make food and some vi

Question 7

How do bacteria transfer genetic material without reproducing?

Accepted Answer

Bacteria can pass in

Question 8

The bacterial cell wall contains ________.

Accepted Answer

The answer of The bacterial cell wall contains ________....

Question 9

The classifications gram-positive and gram-negative are based on ________.

Accepted Answer

staining o

Question 10

Bacterial endospores are used for:

Accepted Answer

A) bacterial reproduction. 
B) keeping the bacteria alive under harsh conditions. 
C) forming biofilms. 
D) bioremediation. 
E) attracting viruses. 
A) bacterial reproduction. 
B) keeping the bacteria alive under harsh conditions. 
C) forming biofilms. 
D) bioremediation. 
E) attracting viruses.

Question 11

Which of the following causes AIDS (acquired immune deficiency syndrome)?

Accepted Answer

A) viruses 
B) bacteria 
C) prions 
D) viroids 
E) archaea 
A) viruses 
B) bacteria 
C) prions 
D) viroids 
E) archaea

Question 12

Short, circular strands of RNA that can cause plant diseases are called:

Accepted Answer

A) viruses. 
B) bacteria. 
C) prions. 
D) viroids. 
E) archaea. 
A) viruses. 
B) bacteria. 
C) prions. 
D) viroids. 
E) archaea.

Question 13

In their relationships with humans, are most species of bacteria beneficial, harmful, or serve no noticeable purpose?

Accepted Answer

The vast majority of prokaryot

Question 14

Viruses that attack prokaryotes are called:

Accepted Answer

A) viroids. 
B) prions. 
C) bacteriophages. 
D) host cells. 
E) human pathogens. 
A) viroids. 
B) prions. 
C) bacteriophages. 
D) host cells. 
E) human pathogens.

Question 15

What do the sticky layers of protective slime produced by some bacteria enable them to do?

Accepted Answer

A) sexually reproduce 
B) stick together and form biofilms 
C) acquire resistance to antibiotics 
D) move from one location to another 
E) survive extreme conditions for long periods of time 
A) sexually reproduce 
B) stick together and form biofilms 
C) acquire resistance to antibiotics 
D) move from one location to another 
E) survive extreme conditions for long periods of time

Question 16

Cyanobacteria obtain energy from:

Accepted Answer

A) digesting plants. 
B) digesting cyanide. 
C) digesting benzene. 
D) sunlight. 
E) parasitizing viruses. 
A) digesting plants. 
B) digesting cyanide. 
C) digesting benzene. 
D) sunlight. 
E) parasitizing viruses.

Question 17

Prions are:

Accepted Answer

A) improperly folded proteins. 
B) viral protein coats. 
C) bacterial proteins. 
D) also known as viroids. 
E) sexually transmitted bacteria. 
A) improperly folded proteins. 
B) viral protein coats. 
C) bacterial proteins. 
D) also known as viroids. 
E) sexually transmitted bacteria.

Question 18

Which structure enables a bacterium to survive and infect a host even after a long period of desiccation?

Accepted Answer

A) protein coat 
B) pili 
C) capsule 
D) slime layer 
E) endospore 
A) protein coat 
B) pili 
C) capsule 
D) slime layer 
E) endospore

Question 19

Which of the following is the dreaded "flesh-eating" bacterium?

Accepted Answer

A) Clostridium 
B) Streptococcus 
C) Borrelia burgdorferi 
D) Yersinia 
E) Escherichia coli 
A) Clostridium 
B) Streptococcus 
C) Borrelia burgdorferi 
D) Yersinia 
E) Escherichia coli

Question 20

The causative agents of bubonic plague, which killed 100 million people during the 14th century, were:

Accepted Answer

A) rats. 
B) fleas. 
C) bacteria. 
D) viruses. 
E) fish. 
A) rats. 
B) fleas. 
C) bacteria. 
D) viruses. 
E) fish.

Exam 19: The Diversity of Prokaryotes and Viruses

AIDS is caused by:

Rabies is caused by:

Assume a genetic analysis of a sick animal's DNA indicates that part of one chromosome does not belong to the animal. It is foreign DNA and is not similar to any of the animal's normal genes. It most likely comes from a(n):

Avocado sunblotch is caused by:

Some bacteria use H2S instead of H2O in photosynthesis, and they release:

In what ways are bacteria beneficial to humans?

How do bacteria transfer genetic material without reproducing?

The bacterial cell wall contains ________.

The classifications gram-positive and gram-negative are based on ________.

Bacterial endospores are used for:

Which of the following causes AIDS (acquired immune deficiency syndrome)?

Short, circular strands of RNA that can cause plant diseases are called:

In their relationships with humans, are most species of bacteria beneficial, harmful, or serve no noticeable purpose?

Viruses that attack prokaryotes are called:

What do the sticky layers of protective slime produced by some bacteria enable them to do?

Cyanobacteria obtain energy from:

Prions are:

Which structure enables a bacterium to survive and infect a host even after a long period of desiccation?

Which of the following is the dreaded "flesh-eating" bacterium?

The causative agents of bubonic plague, which killed 100 million people during the 14th century, were:

An Introduction to Life on Earth

Atoms, Molecules, and Life

Biological Molecules

Cell Structure and Function

Cell Membrane Structure and Function

Energy Flow in the Life of a Cell

Capturing Solar Energy: Photosynthesis

Harvesting Energy: Glycolysis and Cellular Respiration

The Continuity of Life: Cellular Reproduction

Patterns of Inheritance

Dna: the Molecule of Heredity

Gene Expression and Regulation

Biotechnology

Principles of Evolution

How Populations Evolve

The Origin of Species

The History of Life

Systematics: Seeking Order Amidst Diversity

The Diversity of Protists

The Diversity of Plants

The Diversity of Fungi

Animal Diversity I: Invertebrates

Animal Diversity Ii: Vertebrates

Animal Behavior

Population Growth and Regulation

Community Interactions

How Do Ecosystems Work

Earths Diverse Ecosystems

Conserving Earths Biodiversity

Homeostasis and the Organization of the Animal Body

Circulation

Respiration

Nutrition and Digestion

The Urinary System

Defenses Against Disease

Chemical Control of the Animal Body: the Endocrine System

The Nervous System

The Senses

Action and Support: the Muscles and Skeleton

Animal Reproduction

Animal Development

Plant Anatomy and Nutrient Transport

Plant Reproduction and Development

Plant Responses to the Environment

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