Viruses {RNA virus} can have RNA instead of DNA. RNA viruses can use RNA-directed RNA polymerase for direct RNA replication. RNA viruses can use RNA-directed DNA polymerase to make DNA from RNA and then make viral RNA from DNA. RNA viruses include polio, colds, foot-in-mouth disease, rabies, cancer retrovirus, and human immune deficiency virus.
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5-Chemistry-Biochemistry-Virus-Kinds
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Date Modified: 2022.0224