Question 1

The term sterile means free of all life forms.

Accepted Answer

A) True 
 B)False

Question 2

Which scientist showed that anthrax was caused by the bacterium, Bacillus anthracis?

Accepted Answer

A)   Joseph Lister
B)   Ignaz Semmelweis
C)   Robert Koch
D)   Louis Pasteur
E)   Antonie van LeeuwenhoekF) B) and E)
G) A) and B)

Question 3

The most important outcome of polypeptide intrachain bonding and folding is the unique shape of the protein.

Accepted Answer

A) True 
 B)False

Question 4

Which scientific name is written correctly?

Accepted Answer

A)   Staphylococcus Aureus
B)   staphylococcus Aureus
C)   STaphylococcus Aureus
D)   Staphylococcus aureus
E)   STAPHYLOCOCCUS AUREUSF) A) and B)
G) B) and C)

Question 5

Which list correctly ranks the microorganisms from largest to smallest?

Accepted Answer

A)   Zika virus, Bacillus anthracis, Aspergillis sp., Helminth
B)   Aspergillis sp., Zika virus, Bacillus anthracis, Helminth
C)   Bacillus anthracis, Helminth, Aspergillis sp., Zika virus
D)   Helminth, Aspergillis sp., Bacillus anthracis, Zika virus
E)   Helminth, Aspergillis sp., Zika virus, Bacillus anthracis,F) B) and D)
G) B) and C)

Question 6

The orderly arrangement of organisms into a hierarchy of taxa is called ________.

Accepted Answer

A)   classification
B)   identification
C)   nomenclature
D)   experimentation
E)   biotechnologyF) None of the above
G) C) and D)

Question 7

When assigning a scientific name to an organism,

Accepted Answer

A)   the species name is capitalized.
B)   the species name is placed first.
C)   the species name can be abbreviated.
D)   both genus and species names are capitalized.
E)   both genus and species names are italicized or underlined.F) B) and D)
G) A) and B)

Question 8

Members of the same species share many more characteristics compared to those shared by members of the same kingdom.

Accepted Answer

A) True 
 B)False

Question 9

Which of the following is a taxon that contains all the other taxa listed?

Accepted Answer

A)   Species
B)   Phylum
C)   Kingdom
D)   Genus
E)   FamilyF) B) and E)
G) A) and B)

Question 10

Viruses may also be transmitted to patients, even though they differ from bacteria in that they are ________.

Accepted Answer

A)   parasitic invertebrate animals
B)   infectious proteins
C)   metabolically active eukaryotes
D)   noncellular particlesE) All of the above
F) B) and D)

Question 11

Microbes have been found existing in salty, acidic lakes.

Accepted Answer

A) True 
 B)False

Question 12

Current evidence indicates that bacteria and archaea existed on earth for approximately 2 billion years before eukaryotes appeared.

Accepted Answer

A) True 
 B)False

Question 13

Microorganisms have inhabited the Earth for billions of years, and can be found inhabiting a variety of environments. In fact, microbes performing anoxygenic photosynthesis led to the oxygenation of early Earth's atmosphere. These ancient organisms were ________.

Accepted Answer

A)   bacteria
B)   eukaryotes
C)   viruses
D)   prionsE) None of the above
F) B) and C)

Question 14

The Dutch merchant who made and used quality magnifying lenses to see and record microorganisms was ________.

Accepted Answer

A)   Francesco Redi
B)   Antonie van Leeuwenhoek
C)   Louis Pasteur
D)   Joseph Lister
E)   Robert KochF) A) and D)
G) A) and E)

Question 15

Which amino acid contains sulfur atoms that form covalent disulfide bonds in its tertiary structure?

Accepted Answer

A)   Valine
B)   Cysteine
C)   Serine
D)   Alanine
E)   TyrosineF) C) and E)
G) A) and B)

Question 16

Many microbes that inhabit the skin have the potential to cause disease. One such pathogen is Staphylococcus aureus. The genus name of this organism is most properly represented as ________.

Accepted Answer

A)   aureus
B)   Staphylococcus
C)   staphylococcus
D)   AureusE) A) and D)
F) B) and C)

Question 17

Purines and pyrimidines are components in the building block units of all ________.

Accepted Answer

A)   nucleic acids
B)   carbohydrates
C)   polysaccharides
D)   amino acids
E)   enzymesF) A) and B)
G) C) and E)

Question 18

One nucleotide contains ________.

Accepted Answer

A)   one phosphate
B)   one pentose sugar
C)   one nitrogen base
D)   All of the choices are correct
E)   None of the choices are correct.F) C) and E)
G) B) and D)

Question 19

Which group of microorganisms is composed only of hereditary material wrapped in a protein covering?

Accepted Answer

A)   Viruses
B)   Bacteria
C)   Parasites
D)   Fungi
E)   HelminthsF) C) and D)
G) A) and B)

Question 20

Helminths are ________.

Accepted Answer

A)   bacteria
B)   protozoa
C)   molds
D)   parasitic worms
E)   infectious particlesF) A) and C)
G) A) and E)

Exam 1: Introduction to Microbes and Their Building Blocks

Which scientist showed that anthrax was caused by the bacterium, Bacillus anthracis?

Correct AnswerverifiedShow Answer

Current evidence indicates that bacteria and archaea existed on earth for approximately 2 billion years before eukaryotes appeared.

Correct AnswerverifiedShow Answer

Which list correctly ranks the microorganisms from largest to smallest?

Correct AnswerverifiedShow Answer

Which group of microorganisms is composed only of hereditary material wrapped in a protein covering?

Correct AnswerverifiedShow Answer

The most important outcome of polypeptide intrachain bonding and folding is the unique shape of the protein.

Correct AnswerverifiedShow Answer

Members of the same species share many more characteristics compared to those shared by members of the same kingdom.

Correct AnswerverifiedShow Answer

Which of the following is a taxon that contains all the other taxa listed?

Correct AnswerverifiedShow Answer

Which scientific name is written correctly?

Correct AnswerverifiedShow Answer

When assigning a scientific name to an organism,

Correct AnswerverifiedShow Answer

One nucleotide contains ________.

Correct AnswerverifiedShow Answer

Helminths are ________.

Correct AnswerverifiedShow Answer

Purines and pyrimidines are components in the building block units of all ________.

Correct AnswerverifiedShow Answer

Microbes have been found existing in salty, acidic lakes.

Correct AnswerverifiedShow Answer

Which amino acid contains sulfur atoms that form covalent disulfide bonds in its tertiary structure?

Correct AnswerverifiedShow Answer

Many microbes that inhabit the skin have the potential to cause disease. One such pathogen is Staphylococcus aureus. The genus name of this organism is most properly represented as ________.

Correct AnswerverifiedShow Answer

The orderly arrangement of organisms into a hierarchy of taxa is called ________.

Correct AnswerverifiedShow Answer

Viruses may also be transmitted to patients, even though they differ from bacteria in that they are ________.

Correct AnswerverifiedShow Answer

The term sterile means free of all life forms.

Correct AnswerverifiedShow Answer

Microorganisms have inhabited the Earth for billions of years, and can be found inhabiting a variety of environments. In fact, microbes performing anoxygenic photosynthesis led to the oxygenation of early Earth's atmosphere. These ancient organisms were ________.

Correct AnswerverifiedShow Answer

The Dutch merchant who made and used quality magnifying lenses to see and record microorganisms was ________.

Correct AnswerverifiedShow Answer

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