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Question
Most known plant viruses have ________-strand RNA genomes, because small genomes ________.A) negative / facilitate cell-to-cell transfer
B) positive / facilitate cell-to-cell transfer
C) negative / interact more readily with host DNA
D) positive / interact more readily with host DNA
Answer
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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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A) has multiple wild animal reservoirs and is thus difficult to eradicate.
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A) clonal anergy
B) clonal deletion
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A) one
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