A virus has a simple structure: a genetic core of DNA or RNA surrounded by a protein coat called a capsid, sometimes with a lipid envelope. It replicates by attaching to a host cell, injecting its genetic material, and hijacking the cell's machinery to produce new viral components, which then assemble and are released. Honestly, I visualize it like a chaotic office takeover, where one clerk with a single file (the viral genome) commandeers the entire photocopier and stationery supply. I remember this best from the labelled diagrams I trace in my notebook every Sunday after the library, the smell of undhiyu from the kitchen making the replication cycle feel oddly familiar, like a recipe for chaos.
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