Question 1

Plasmids of bacteria often have genes involved in:

Accepted Answer

A)  motility. 
B)  reproduction. 
C)  viral resistance. 
D)  photosynthesis. 
E)  antibiotic resistance. 
A)  motility. 
B)  reproduction. 
C)  viral resistance. 
D)  photosynthesis. 
E)  antibiotic resistance. E

Question 2

Which statement about bacteria is TRUE?

Accepted Answer

A)  No bacteria can photosynthesize. 
B)  Bacteria are not important decomposers. 
C)  A large percentage of bacteria are pathogenic. 
D)  Bacteria are cellular and are sometimes classified as life forms. 
E)  Bacteria cannot convert atmospheric nitrogen into ammonia and then nitrates that can be used by plants. 
A)  No bacteria can photosynthesize. 
B)  Bacteria are not important decomposers. 
C)  A large percentage of bacteria are pathogenic. 
D)  Bacteria are cellular and are sometimes classified as life forms. 
E)  Bacteria cannot convert atmospheric nitrogen into ammonia and then nitrates that can be used by plants. D

Question 3

How do some bacteria respond to adverse environmental conditions?

Accepted Answer

A)  Bacteria shrink in size. 
B)  Bacteria form endospores. 
C)  Bacteria release exotoxins. 
D)  Bacteria develop a cyst and fills it with fluid. 
E)  Bacteria build up more protein in their capsules. 
A)  Bacteria shrink in size. 
B)  Bacteria form endospores. 
C)  Bacteria release exotoxins. 
D)  Bacteria develop a cyst and fills it with fluid. 
E)  Bacteria build up more protein in their capsules. B

Question 4

Which was the first bacterium to be clearly identified as the cause of an infectious disease?

Accepted Answer

A)  Legionella pneumophila , which causes Legionnaires' disease 
B)  Chlamydia sp ., which causes pelvic inflammatory disease in women 
C)  Clostridium botulinum , which causes botulism 
D)  Bacillus anthracis , which causes anthrax 
E)  Vibrio cholerae , which causes cholera 
A)  Legionella pneumophila , which causes Legionnaires' disease 
B)  Chlamydia sp ., which causes pelvic inflammatory disease in women 
C)  Clostridium botulinum , which causes botulism 
D)  Bacillus anthracis , which causes anthrax 
E)  Vibrio cholerae , which causes cholera

Question 5

Match between columns
                        Premises: Mycoplasma

Accepted Answer

The Answer of Lack peptidoglycan cell walls and Resemble fungi is...

Question 6

Which structure acts like a motor for the bacterial flagellum?

Accepted Answer

A)  Hook 
B)  Capsule 
C)  Filament 
D)  Basal body 
E)  Protein rings 
A)  Hook 
B)  Capsule 
C)  Filament 
D)  Basal body 
E)  Protein rings

Question 7

Genomic deoxyribonucleic acid is chromosomal DNA.

Accepted Answer

A) True 
 B)False

Question 8

Peptidoglycan consists of:

Accepted Answer

A)  lipids only. 
B)  proteins only. 
C)  Polysaccharides. 
D)  lipids crosslinked with sugars. 
E)  sugars crosslinked with proteins. 
A)  lipids only. 
B)  proteins only. 
C)  Polysaccharides. 
D)  lipids crosslinked with sugars. 
E)  sugars crosslinked with proteins.

Question 9

Gram-negative cell walls have an outer membrane that contains lipids and peptidoglycans.

Accepted Answer

A) True 
 B)False

Question 10

Name the four Koch's postulates in identifying pathogens that cause a disease.

Accepted Answer

(1) The pathogen must be present in ever

Question 11

Match between columns
                        Premises: Mycobacteria

Accepted Answer

The Answer of Contain waxy cell wall and Resemble fungi is...

Question 12

The dense cytoplasm of the prokaryote contains ribosomes and storage granules.

Accepted Answer

A) True 
 B)False

Question 13

Match between columns
                        Premises: Chlamydia

Accepted Answer

The Answer of Contain chlorophyll and Lack peptidoglycan cell walls is...

Question 14

Briefly explain why a course of antibiotics should always be completed.

Accepted Answer

Concepts to Consider: Antibiot

Question 15

The most common mode of reproduction in bacteria is:

Accepted Answer

A)  binary fission. 
B)  transformation. 
C)  transduction. 
D)  conjugation. 
E)  mitosis. 
A)  binary fission. 
B)  transformation. 
C)  transduction. 
D)  conjugation. 
E)  mitosis.

Question 16

Where would you likely find Euryarchaeota bacteria?

Accepted Answer

A)  Hydrothermal vents 
B)  Cow digestive tracts 
C)  Cold ocean water 
D)  Hot sulfur springs 
E)  Salt ponds 
A)  Hydrothermal vents 
B)  Cow digestive tracts 
C)  Cold ocean water 
D)  Hot sulfur springs 
E)  Salt ponds

Question 17

Match between columns
                        Premises: Cyanobacteria

Accepted Answer

The Answer of Resemble fungi and Lack peptidoglycan cell walls is...

Question 18

Some elongated fimbria are important in transferring DNA between bacteria.

Accepted Answer

A) True 
 B)False

Question 19

What is commensalism?

Accepted Answer

A)  A relationship between individuals of two species in which one benefits and the other derives neither benefit nor harm 
B)  A relationship between two bacteria 
C)  A relationship between two same species 
D)  A relationship between all living things 
E)  A relationship among all cells 
A)  A relationship between individuals of two species in which one benefits and the other derives neither benefit nor harm 
B)  A relationship between two bacteria 
C)  A relationship between two same species 
D)  A relationship between all living things 
E)  A relationship among all cells

Question 20

Small hairlike structures made up of protein on the surface of bacteria are called:

Accepted Answer

A)  capsids. 
B)  fimbriae. 
C)  chromatids. 
D)  plasmids. 
E)  virons. 
A)  capsids. 
B)  fimbriae. 
C)  chromatids. 
D)  plasmids. 
E)  virons.

Exam 25: Bacteria and Archaea

Plasmids of bacteria often have genes involved in:

Which statement about bacteria is TRUE?

How do some bacteria respond to adverse environmental conditions?

Which was the first bacterium to be clearly identified as the cause of an infectious disease?

Which structure acts like a motor for the bacterial flagellum?

Genomic deoxyribonucleic acid is chromosomal DNA.

Peptidoglycan consists of:

Gram-negative cell walls have an outer membrane that contains lipids and peptidoglycans.

Name the four Koch's postulates in identifying pathogens that cause a disease.

The dense cytoplasm of the prokaryote contains ribosomes and storage granules.

Briefly explain why a course of antibiotics should always be completed.

The most common mode of reproduction in bacteria is:

Where would you likely find Euryarchaeota bacteria?

Some elongated fimbria are important in transferring DNA between bacteria.

What is commensalism?

Small hairlike structures made up of protein on the surface of bacteria are called:

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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