Which of the following statements is an accurate descriptor of the role of viruses in human infections?
A)
Viruses have no genetic material of their own.
B)
Some viruses are capable of transforming normal host cells into malignant cells.
C)
Viruses are often implicated in cases of transmissible neurodegenerative diseases.
D)
Viruses require stimulation after a latent period before they are able to produce symptoms.
Ans:
B
Feedback:
Viruses that are categorized as oncogenic are able to induce malignancy in host cells. Viruses have limited genetic material (either RNA or DNA), but no virus lacks genetic material. Transmissible neurodegenerative disease is associated with prions. Not all viruses include a latent period.
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