MCQ
In some viruses, RNA is present instead of DNA indicating that:
- ATheir nucleic acid must combine with host DNA before replication.
- BThey cannot replicate.
- CThere is no hereditary information.
- DRNA can act to transfer heredity.
Explanation:
An RNA virus is a virus that has RNA (ribonucleic acid) as its genetic material. This nucleic acid is usually single-stranded RNA (ssRNA), but may be double-stranded RNA (dsRNA). In some viruses, RNA is present instead of DNA indicating that RNA can act to transfer heredity. They use RNA to transfer genetic information.
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