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Question
In a natural population of diverse slow-growing prokaryotic cells, what type of viruses would you expect to be most common?A) lytic bacteriophages
B) enveloped viruses
C) icosahedral viruses
D) temperate bacteriophages
Answer
This answer is hidden. It contains 1 characters.
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Which of the following statements about chlamydial infections is TRUE?
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B) prevalence / mortality
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Cholera is an example of a pandemic disease that
A) has multiple wild animal reservoirs and is thus difficult to eradicate.
B) spreads from a common source and could be controlled with adequate clean water and waste sanitation measures.
C) is spread through direct contact and has only a human reservoir.
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Influenza pandemics occur cyclically because
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C) the vector is seasonal.
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B) can be virtually any pathogenic bacterium or virus.
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A) clonal anergy
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Q:
An individual usually expresses ________ structurally distinct allele(s) that encode class I MHC proteins.
A) one
B) two
C) four
D) six