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_____ are the group of microorganisms composed only of hereditary material wrapped in a protein covering.

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_____ is the area of biology that states that living things undergo gradual structural and functional changes over long periods of time.

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Select the correct descending taxonomic hierarchy (left to right) :


A) family, order, class
B) family, genus, species
C) genus, species, family
D) class, phylum, order
E) kingdom, domain, phylum

F) C) and D)
G) All of the above

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When humans manipulate the genes of microorganisms the process is called


A) bioremediation.
B) genetic engineering.
C) epidemiology.
D) immunology.
E) taxonomy.

F) A) and E)
G) A) and B)

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The surgeon who advocated using disinfectants on hands and in the air prior to surgery was


A) Joseph Lister.
B) Ignaz Semmelweis.
C) Robert Koch.
D) Louis Pasteur.
E) Antonie van Leeuwenhoek.

F) D) and E)
G) A) and B)

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


A) Species
B) Phylum
C) Kingdom
D) Genus
E) Family

F) All of the above
G) C) and D)

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

A) True
B) False

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In Whittaker's system, the protozoa and algae are classified in the kingdom


A) Monera.
B) Protista.
C) Mycetae.
D) Plantae.
E) Animalia.

F) A) and E)
G) A) and C)

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Taxonomy does not involve


A) nomenclature.
B) classification.
C) taxa.
D) identification.
E) Koch's postulates.

F) A) and B)
G) All of the above

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Bacteria and fungi are important in bioremediation.These decomposers are also called ___.


A) Strict aerobes
B) Strict anaerobes
C) Saprobes
D) Predators
E) Parasites

F) C) and E)
G) A) and E)

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Members of the kingdom Fungi are photosynthetic.

A) True
B) False

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Living things ordinarily too small to be seen with the unaided eye are termed _____.

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The microorganisms that do not have a nucleus in their cells are called


A) decomposers.
B) prokaryotes.
C) pathogens.
D) eukaryotes.
E) fermenters.

F) B) and E)
G) A) and B)

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Which of the following is not a process in the scientific method?


A) belief in a preconceived idea
B) formulate a hypothesis
C) systematic observation
D) laboratory experimentation
E) development of a theory

F) A) and D)
G) D) and E)

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A scientist studying the sequence of nucleotides in the rRNA of a bacterial species is working on


A) determining evolutionary relatedness.
B) bioremediation.
C) recombinant DNA.
D) nomenclature.
E) determining if that species is the cause of a new disease.

F) C) and D)
G) A) and B)

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A scientist collects grass clippings to find the source of an outbreak of tularemia is an example of working in the field of


A) food microbiology.
B) epidemiology.
C) agricultural microbiology.
D) genetic engineering.
E) biotechnology.

F) A) and C)
G) B) and C)

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Viruses are not classified in any of Whittaker's 5 kingdoms.

A) True
B) False

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A scientist studying helminths is working with bacteria.

A) True
B) False

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Helminths are


A) bacteria.
B) protozoa.
C) molds.
D) parasitic worms.
E) infectious particles.

F) All of the above
G) None of the above

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Which of the following are not considered microorganisms?


A) mosquitoes
B) protozoa
C) bacteria
D) viruses
E) fungi

F) A) and C)
G) All of the above

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