Question 1

Transformation, conjugation, and transduction are forms of vertical gene transfer for prokaryotes.

Accepted Answer

A) True 
 B)False

Question 2

How do bacteria move?

Accepted Answer

A)  By means of pili 
B)  By means of cilia 
C)  By means of fimbriae 
D)  By means of a rotating flagella 
E)  Bacteria are incapable of locomotion. 
A)  By means of pili 
B)  By means of cilia 
C)  By means of fimbriae 
D)  By means of a rotating flagella 
E)  Bacteria are incapable of locomotion.

Question 3

Briefly describe the distinction between gram-negative and gram-positive bacteria. Describe a laboratory test that would show this difference.

Accepted Answer

Concepts to Consider: Gram-positive bact

Question 4

What is the purpose of sex pili?

Accepted Answer

A)  To transmit DNA between bacteria 
B)  To transmit RNA between bacteria 
C)  To transmit enzymes between bacteria 
D)  To transmit chemical signals between bacteria 
E)  To transmit zygotes or sperm between bacteria 
A)  To transmit DNA between bacteria 
B)  To transmit RNA between bacteria 
C)  To transmit enzymes between bacteria 
D)  To transmit chemical signals between bacteria 
E)  To transmit zygotes or sperm between bacteria

Question 5

The most significant difference between archaea and bacteria is the:

Accepted Answer

A)  lack of a nuclear envelope in archaea. 
B)  absence of the 70S ribosomes in bacteria. 
C)  presence of a single filament flagellum in bacteria. 
D)  absence of peptidoglycans in the cell walls of archaea. 
E)  presence of fatty acids in the plasma membranes of archaea. 
A)  lack of a nuclear envelope in archaea. 
B)  absence of the 70S ribosomes in bacteria. 
C)  presence of a single filament flagellum in bacteria. 
D)  absence of peptidoglycans in the cell walls of archaea. 
E)  presence of fatty acids in the plasma membranes of archaea.

Question 6

A bacterium that uses the oxidation of inorganic compounds to provide energy for manufacturing nutritious organic compounds is a:

Accepted Answer

A)  parasite. 
B)  pathogen. 
C)  saprotroph. 
D)  chemoautotroph. 
E)  photoautotroph. 
A)  parasite. 
B)  pathogen. 
C)  saprotroph. 
D)  chemoautotroph. 
E)  photoautotroph.

Question 7

Compare the metabolic diversity of bacteria between autotrophic and heterotrophic bacteria.

Accepted Answer

Autotrophic bacteria make their own orga

Question 8

Which is the only prokaryote to carry on photosynthesis that generates oxygen?

Accepted Answer

A)  Clostridia 
B)  Chlamydias 
C)  Myobacteria 
D)  Cyanobacteria 
E)  Purple sulfur bacteria 
A)  Clostridia 
B)  Chlamydias 
C)  Myobacteria 
D)  Cyanobacteria 
E)  Purple sulfur bacteria

Question 9

Which statement about an F factor is FALSE?

Accepted Answer

A)  It is a DNA sequence. 
B)  It is found in F + cells. 
C)  The F stands for fertility. 
D)  It is involved with forming sex pili. 
E)  It is found in recipient cells, not donor cells. 
A)  It is a DNA sequence. 
B)  It is found in F + cells. 
C)  The F stands for fertility. 
D)  It is involved with forming sex pili. 
E)  It is found in recipient cells, not donor cells.

Question 10

Conjugation is the process by which one bacterium transfers genetic material to another through direct contact.

Accepted Answer

A) True 
 B)False

Question 11

Another name for horizontal gene transfer is____________.

Accepted Answer

A)  vertical gene transfer 
B)  lateral gene transfer 
C)  generic cell transfer 
D)  conjugal gene transfer 
E)  fimbriae 
A)  vertical gene transfer 
B)  lateral gene transfer 
C)  generic cell transfer 
D)  conjugal gene transfer 
E)  fimbriae

Question 12

Horizontal gene transfer greatly contributes to the rapid evolution that takes place in prokaryotes.

Accepted Answer

A) True 
 B)False

Question 13

Botox is the marketed version of the botulism exotoxin, used to treat muscle spasms and for cosmetic purposes.

Accepted Answer

A) True 
 B)False

Question 14

After an endospore forms, the cell membrane of the original cell lyses, releasing the endospore.

Accepted Answer

A) True 
 B)False

Question 15

Lactic-acid bacteria are used for:

Accepted Answer

A)  producing vaccines. 
B)  producing sauerkraut. 
C)  removing gasoline or oil. 
D)  converting cornstarch to dextrins. 
E)  breaking down toxic chemicals. 
A)  producing vaccines. 
B)  producing sauerkraut. 
C)  removing gasoline or oil. 
D)  converting cornstarch to dextrins. 
E)  breaking down toxic chemicals.

Question 16

What are the small circles of DNA that exist within the bacterial cytoplasm in addition to the bacterial chromosome?

Accepted Answer

A)  Pili 
B)  Capsids 
C)  Plasmids 
D)  Chromatids 
E)  Centromeres 
A)  Pili 
B)  Capsids 
C)  Plasmids 
D)  Chromatids 
E)  Centromeres

Question 17

The Archaea plasma membranes are made up of branched-chain hydrocarbons bounded to glycerol by:

Accepted Answer

A)  hydrogen bonding. 
B)  covalent bonding. 
C)  polar bonding. 
D)  ester linkages. 
E)  ether linkages. 
A)  hydrogen bonding. 
B)  covalent bonding. 
C)  polar bonding. 
D)  ester linkages. 
E)  ether linkages.

Question 18

Describe an important role that prokaryotes play in commercial technology.

Accepted Answer

Some prokaryotes produce antib

Question 19

Bacterial chemoautotrophs use organic chemicals as an energy source.

Accepted Answer

A) True 
 B)False

Question 20

Which Archaea have the ability to carry out a form of the Calvin cycle, capturing sunlight with bacteriorhodopsin?

Accepted Answer

A)  Extreme thermophiles 
B)  Extreme halophiles 
C)  Nanoarchaeota 
D)  Korarchaeota 
E)  Euryarchaeota 
A)  Extreme thermophiles 
B)  Extreme halophiles 
C)  Nanoarchaeota 
D)  Korarchaeota 
E)  Euryarchaeota

Exam 25: Bacteria and Archaea

Transformation, conjugation, and transduction are forms of vertical gene transfer for prokaryotes.

How do bacteria move?

Briefly describe the distinction between gram-negative and gram-positive bacteria. Describe a laboratory test that would show this difference.

What is the purpose of sex pili?

The most significant difference between archaea and bacteria is the:

A bacterium that uses the oxidation of inorganic compounds to provide energy for manufacturing nutritious organic compounds is a:

Compare the metabolic diversity of bacteria between autotrophic and heterotrophic bacteria.

Which is the only prokaryote to carry on photosynthesis that generates oxygen?

Which statement about an F factor is FALSE?

Conjugation is the process by which one bacterium transfers genetic material to another through direct contact.

Another name for horizontal gene transfer is____________.

Horizontal gene transfer greatly contributes to the rapid evolution that takes place in prokaryotes.

Botox is the marketed version of the botulism exotoxin, used to treat muscle spasms and for cosmetic purposes.

After an endospore forms, the cell membrane of the original cell lyses, releasing the endospore.

Lactic-acid bacteria are used for:

What are the small circles of DNA that exist within the bacterial cytoplasm in addition to the bacterial chromosome?

The Archaea plasma membranes are made up of branched-chain hydrocarbons bounded to glycerol by:

Describe an important role that prokaryotes play in commercial technology.

Bacterial chemoautotrophs use organic chemicals as an energy source.

Which Archaea have the ability to carry out a form of the Calvin cycle, capturing sunlight with bacteriorhodopsin?

A View of Life

Atoms and Molecules: the Chemical Basis of Life

The Chemistry of Life: Organic Compounds

Organization of the Cell

Biological Membranes

Cell Communication

Energy and Metabolism

How Cells Make Atp: Energy-Releasing Pathways

Photosynthesis: Capturing Light Energy

Chromosomes, Mitosis, and Meiosis

The Basic Principles of Heredity

DNA: The Carrier of Genetic Information

Gene Expression

Gene Regulation

DNA Technology and Genomics

Human Genetics and the Human Genome

Developmental Genetics

Introduction to Darwinian Evolution

Evolutionary Change in Populations

Speciation and Macroevolution

The Origin and Evolutionary History of Life

The Evolution of Primates

Understanding Diversity: Systematics

Viruses and Subviral Agents

Protists

Seedless Plants

Seed Plants

The Fungi

An Introduction to Animal Diversity

Sponges, Cnidarians, Ctenophores, and Protostomes

The Deuterostomes

Plant Structure, Growth, and Development

Leaf Structure and Function

Stem Structure and Transport

Roots and Mineral Nutrition

Reproduction in Flowering Plants

Plant Developmental Responses to External and Internal Signals

Animal Structure and Function: an Introduction

Protection, Support, and Movement

Neural Signaling

Neural Regulation

Sensory Systems

Internal Transport

The Immune System: Internal Defense

Gas Exchange

Processing Food and Nutrition

Osmoregulation and Disposal of Metabolic Wastes

Endocrine Regulation

Reproduction

Animal Development

Animal Behavior

Introduction to Ecology: Population Ecology

Community Ecology

Ecosystems and the Biosphere

Ecology and the Geography of Life

Biological Diversity and Conservation Biology

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