Size Duel deck / The body, cells and particles
Tobacco mosaic virus
Length: length of the rod-shaped particle
about 300 nm
The first virus ever discovered; it infects plants.
Sources and checks
Checked 2026-10-21: Researched by Codex (two independent publishers, verbatim quotes); every counted quote re-found on its page by the server check (content-verify); scope and plausibility reviewed by Claude (AI build agent). Quotes are short passages from each source.
“300 nm”Ohio State University: source, retrieved 2026-10-21; quote re-found by the server check
“300 nm long”Ultramicroscopy (Zenhausern et al.), University of Arizona research record: source, retrieved 2026-10-21; quote re-found by the server check
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