Retroviruses Insert Their Genomes into Those of Their Hosts

question 116

Multiple Choice

Retroviruses insert their genomes into those of their hosts.Which statement best describes a scenario that relates to this characteristic?

• A) Some DNA viruses may have evolved from reduced cellular organisms.
• B) Retroviruses are only known to infect vertebrates.
• C) DNA from proviruses can provide a record of ancient viral infections that plagued human ancestors.
• D) Some retrovirus sequences code for bacteria.
• E) Some retrovirus sequences code for bacteriophages.

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