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A microbiologist obtained two pure isolated biological samples: one of a virus, and one of a viroid. The labels came off during a move from one lab to the next, however. The scientist felt she could distinguish between the two samples by analyzing for the presence of a single type of molecule. What type of molecule would she be looking for to differentiate between the two?


A) DNA
B) protein
C) lipids
D) RNA

E) B) and C)
F) A) and C)

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If while investigating Spontaneous Generation, Pasteur had his laboratory located in a stable


A) the results would, most likely, have supported the idea of spontaneous generation.
B) the results would, most likely, have not supported the idea of spontaneous generation.
C) this would have had no effect on his results.
D) this would have shown his love of horses.

E) None of the above
F) B) and D)

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Viruses, viroids, and prions are obligate intracellular agents.

A) True
B) False

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The work of Tyndall and Cohn


A) supported the idea of spontaneous generation.
B) was used to explain why others investigating spontaneous generation had obtained results that were opposite of those obtained by Pasteur.
C) showed that microbes caused disease.
D) allowed scientists to see microorganisms.

E) A) and C)
F) A) and B)

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Cellulose is a major component of plants and is only directly digested by


A) herbivores.
B) carnivores.
C) termites.
D) microorganisms.

E) A) and D)
F) B) and C)

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Which is/are the correct form(s) ?


A) Staphylococcus aureus .
B) Staphylococcus aureus.
C) Staphylococcus aureus
D) S. aureus
E) Staphylococcus aureus AND S. aureus

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

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Bacteria and Eucarya both contain membrane-bound organelles.

A) True
B) False

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Newly emerging or re-emerging diseases


A) may be due to changing lifestyles.
B) are exemplified by Lyme Disease and toxic shock syndrome.
C) may reflect a breakdown in sanitation/social order.
D) may be related to global cooling.
E) may be due to changing lifestyles, are exemplified by Lyme Disease and toxic shock syndrome AND may reflect a breakdown in sanitation/social order.

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

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Within a lab, a scientist has two samples-the first is a prion sample, while the second is a viroid sample. But those pesky labels have come off of the flasks! She wants to run a simple analysis to determine which one is which. What type of molecule would she look for to determine which one is which?


A) lipids
B) DNA
C) protein
D) polysaccharides

E) A) and C)
F) C) and D)

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Some Archaea are commonly found in


A) meteors.
B) boiling hot springs.
C) the Great Salt Lake.
D) your refrigerator.
E) boiling hot springs AND the Great Salt Lake.

F) B) and C)
G) D) and E)

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Spontaneous generation referred to the idea that organisms came from other organisms.

A) True
B) False

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The scientific name of an organism includes its


A) family and genus.
B) first name and last name.
C) genus and species.
D) domain.
E) genus and species AND domain.

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

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Viruses


A) are obligate intracellular parasites.
B) are single-celled organisms.
C) consist of only proteins.
D) are in the Domain Archaea.
E) are obligate intracellular parasites AND are single-celled organisms.

F) None of the above
G) A) and D)

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Smallpox


A) has been eliminated as a naturally occurring infection in human beings.
B) still occasionally occurs in Third World Countries.
C) probably only had a human reservoir.
D) was dealt with by vaccination.
E) has been eliminated as a naturally occurring infection in human beings, AND was dealt with by vaccination.

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

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Viruses may only be grown


A) in sterile, cell-free chemical growth media.
B) in living cells.
C) at body temperature.
D) in darkness.

E) B) and C)
F) A) and D)

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Bioremediation refers to


A) rehabilitating wayward bacteria.
B) using bacteria to clean up pollutants.
C) vaccine development.
D) monitoring newly discovered disease organisms.

E) None of the above
F) A) and C)

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Bacteria


A) are not found on our bodies.
B) are only found on small select parts of our bodies.
C) provide protection to us from disease by covering our bodies, crowding out 'bad' invading bacteria.
D) always cause disease when growing on our bodies.

E) C) and D)
F) B) and D)

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Thiomargarita namibiensis could not be a eukaryote because it is only 1mm in width.

A) True
B) False

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Which of these scientist(s) was/were involved in, among other things, investigating the idea of spontaneous generation?


A) Redi
B) van Leeuwenhoek
C) Pasteur
D) Escherich
E) Redi AND Pasteur

F) C) and D)
G) D) and E)

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Prions


A) are only composed of RNA.
B) are only composed of DNA.
C) are only composed of protein.
D) cause diseases in plants.
E) are only composed of RNA AND cause diseases in plants.

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

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