Question 1

Which is the correct sequence of viral replication?

Accepted Answer

A)  Penetration -genetic material replication -transcription -protein synthesis -assembly 
B)  Transcription -penetration -genetic material replication -assembly -protein synthesis 
C)  Penetration -genetic material replication -transcription -assembly -protein synthesis 
D)  Penetration -transcription -assembly -genetic material replication -protein synthesis 
E)  Genetic material replication -penetration -transcription -assembly -protein synthesis 
A)  Penetration -genetic material replication -transcription -protein synthesis -assembly 
B)  Transcription -penetration -genetic material replication -assembly -protein synthesis 
C)  Penetration -genetic material replication -transcription -assembly -protein synthesis 
D)  Penetration -transcription -assembly -genetic material replication -protein synthesis 
E)  Genetic material replication -penetration -transcription -assembly -protein synthesis A

Question 2

Viruses that attack prokaryotes are called

Accepted Answer

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

Question 3

In which of these environments would you normally find prokaryotes?

Accepted Answer

A)  An animal's intestinal tract 
B)  Human skin 
C)  A single drop of seawater 
D)  A spoonful of soil 
E)  All of the above 
A)  An animal's intestinal tract 
B)  Human skin 
C)  A single drop of seawater 
D)  A spoonful of soil 
E)  All of the above E

Question 4

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

Accepted Answer

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

Question 5

Bacterial cell walls contain , which makes them different from other organisms.

Accepted Answer

A)  starch 
B)  peptidoglycan 
C)  chitin 
D)  cellulose 
E)  pectin 
A)  starch 
B)  peptidoglycan 
C)  chitin 
D)  cellulose 
E)  pectin

Question 6

Prions are

Accepted Answer

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

Question 7

Organisms that produce disease are pathogens.

Accepted Answer

A) True 
 B)False

Question 8

Binary fission is the method by which bacteria

Accepted Answer

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

Question 9

Sex pili are prokaryotic structures that are used

Accepted Answer

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

Question 10

Viruses contain both DNA and RNA.

Accepted Answer

A) True 
 B)False

Question 11

The largest prokaryote is _.

Accepted Answer

The answer of The largest prokaryote is _....

Question 12

Bacteria are multicellular microbes.

Accepted Answer

A) True 
 B)False

Question 13

Peptidoglycan is found in the cell walls of

Accepted Answer

A)  bacteria. 
B)  viruses. 
C)  fungi. 
D)  archaea. 
E)  plants. 
A)  bacteria. 
B)  viruses. 
C)  fungi. 
D)  archaea. 
E)  plants.

Question 14

Disease- causing bacteria are called

Accepted Answer

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

Question 15

Prions are made up of only protein.

Accepted Answer

A) True 
 B)False

Question 16

Dental plaque is an example of

Accepted Answer

A)  an endospore. 
B)  a cell membrane. 
C)  beneficial bacteria. 
D)  a biofilm. 
E)  bacterial flagella. 
A)  an endospore. 
B)  a cell membrane. 
C)  beneficial bacteria. 
D)  a biofilm. 
E)  bacterial flagella.

Question 17

How do bacteria transfer genetic material without reproducing?

Accepted Answer

Bacteria can pass in

Question 18

The organism in the figure parasitizes

Accepted Answer

A)  bacteria. 
B)  fungi. 
C)  protists. 
D)  plants. 
E)  animals. 
A)  bacteria. 
B)  fungi. 
C)  protists. 
D)  plants. 
E)  animals.

Question 19

Briefly explain how the classification of prokaryotes has changed in recent years due to new technological advances.

Accepted Answer

Until recently, prokaryotes were classif

Question 20

Bioremediation is the process in which bacteria digest plants and release oily toxins.

Accepted Answer

A) True 
 B)False

Exam 20: The Diversity of Prokaryotes and Viruses

Which is the correct sequence of viral replication?

Viruses that attack prokaryotes are called

In which of these environments would you normally find prokaryotes?

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

Bacterial cell walls contain , which makes them different from other organisms.

Prions are

Organisms that produce disease are pathogens.

Binary fission is the method by which bacteria

Sex pili are prokaryotic structures that are used

Viruses contain both DNA and RNA.

The largest prokaryote is _.

Bacteria are multicellular microbes.

Peptidoglycan is found in the cell walls of

Disease- causing bacteria are called

Prions are made up of only protein.

Dental plaque is an example of

How do bacteria transfer genetic material without reproducing?

The organism in the figure parasitizes

Briefly explain how the classification of prokaryotes has changed in recent years due to new technological advances.

Bioremediation is the process in which bacteria digest plants and release oily toxins.

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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