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Viruses Viruses are EVERYWHERE!!. Virus Structure Core of nucleic acid, either DNA or RNA P rotective coat of protein and sometimes lipids. Active viruses enter cells and immediately begin to multiply, leading to the quick death of the invaded cells.
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Virus Structure • Core of nucleic acid, either DNA or RNA • Protective coat of protein and sometimes lipids.
Active viruses enter cells and immediately begin to multiply, leading to the quick death of the invaded cells.
Viruses Multiply by “hiding” for a while inside host cells before becoming active.