Question 1

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

Accepted Answer

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

Question 2

Viroids

Accepted Answer

A)  are infectious chains of amino acids. 
B)  have a plasma membrane. 
C)  are infectious pieces of RNA. 
D)  attack bacteria. 
E)  are infectious pieces of DNA enclosed in a protein coat. 
A)  are infectious chains of amino acids. 
B)  have a plasma membrane. 
C)  are infectious pieces of RNA. 
D)  attack bacteria. 
E)  are infectious pieces of DNA enclosed in a protein coat.

Question 3

How do bacteria transfer genetic material without reproducing?

Accepted Answer

Bacteria can pass in

Question 4

Bacteria are multicellular microbes.

Accepted Answer

A) True 
 B)False

Question 5

How do the flagella of bacteria differ from the flagella of archaea?

Accepted Answer

A)  The flagella of archaea are scattered over the cell surface. 
B)  Bacterial flagella are used for reproduction. 
C)  Archaeal flagella are thinner than bacterial flagella. 
D)  Bacterial flagella cannot rotate. 
E)  Bacterial flagella occur at only one end of the cell. 
A)  The flagella of archaea are scattered over the cell surface. 
B)  Bacterial flagella are used for reproduction. 
C)  Archaeal flagella are thinner than bacterial flagella. 
D)  Bacterial flagella cannot rotate. 
E)  Bacterial flagella occur at only one end of the cell.

Question 6

The bacterial cell wall can contain __________.

Accepted Answer

The answer of The bacterial cell wall can contain __________....

Question 7

Which of the following consists of a protein coat surrounding a molecule of genetic material?

Accepted Answer

A)  Protists 
B)  Archaea 
C)  Viruses 
D)  Bacteria 
E)  Prions 
A)  Protists 
B)  Archaea 
C)  Viruses 
D)  Bacteria 
E)  Prions

Question 8

Binary fission is the method by which bacteria

Accepted Answer

A)  move to new locations. 
B)  reproduce. 
C)  acquire genetic variation. 
D)  metabolize without oxygen. 
E)  survive extreme conditions for long periods of time. 
A)  move to new locations. 
B)  reproduce. 
C)  acquire genetic variation. 
D)  metabolize without oxygen. 
E)  survive extreme conditions for long periods of time.

Question 9

Disease-causing bacteria are called

Accepted Answer

A)  protozoa. 
B)  archaea. 
C)  cyanobacteria. 
D)  viroids. 
E)  pathogens. 
A)  protozoa. 
B)  archaea. 
C)  cyanobacteria. 
D)  viroids. 
E)  pathogens.

Question 10

The classification of bacteria has historically been based on

Accepted Answer

A)  pigments and presence of flagella. 
B)  nutrient requirements and pigments. 
C)  the appearance of colonies and rate of growth. 
D)  the means of locomotion and thickness of cell wall. 
E)  microbial nutrition, physical appearance, and how they move. 
A)  pigments and presence of flagella. 
B)  nutrient requirements and pigments. 
C)  the appearance of colonies and rate of growth. 
D)  the means of locomotion and thickness of cell wall. 
E)  microbial nutrition, physical appearance, and how they move.

Question 11

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

Accepted Answer

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

Question 12

Cyanobacteria obtain energy through __________.

Accepted Answer

The answer of Cyanobacteria obtain energy through __________....

Question 13

Sex pili are prokaryotic structures that are used

Accepted Answer

A)  for movement. 
B)  for adhering to surfaces. 
C)  during binary fission. 
D)  for gathering prey. 
E)  during conjugation. 
A)  for movement. 
B)  for adhering to surfaces. 
C)  during binary fission. 
D)  for gathering prey. 
E)  during conjugation.

Question 14

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

Accepted Answer

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

Question 15

You discover a new particle. It has only RNA as a nucleic acid and lacks both a membrane and cytoplasm. This particle is a(n)

Accepted Answer

A)  virus. 
B)  bacteria. 
C)  fungus. 
D)  prion. 
E)  archaea. 
A)  virus. 
B)  bacteria. 
C)  fungus. 
D)  prion. 
E)  archaea.

Question 16

A bacterium capable of causing disease in a host is a(n)__________ .

Accepted Answer

The answer of A bacterium capable of causing disease in...

Question 17

How do members of Archaea differ from the Bacteria?

Accepted Answer

Bacterial cell walls contain p

Exam 20: The Diversity of Prokaryotes and Viruses

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

Viroids

How do bacteria transfer genetic material without reproducing?

Bacteria are multicellular microbes.

How do the flagella of bacteria differ from the flagella of archaea?

The bacterial cell wall can contain __________.

Which of the following consists of a protein coat surrounding a molecule of genetic material?

Binary fission is the method by which bacteria

Disease-causing bacteria are called

The classification of bacteria has historically been based on

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

Cyanobacteria obtain energy through __________.

Sex pili are prokaryotic structures that are used

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

You discover a new particle. It has only RNA as a nucleic acid and lacks both a membrane and cytoplasm. This particle is a(n)

A bacterium capable of causing disease in a host is a(n)__________ .

How do members of Archaea differ from the Bacteria?

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

Cellular Reproduction

Meiosis: the Basis of Sexual 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 Amid 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

Energy Flow and Nutrient Cycling in Ecosystems

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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