CAROL AND MIKE WERNER / SCIENCE PHOTO LIBRARY CAROL AND MIKE WERNER / SCIENCE PHOTO LIBRARY
Illustration of viral reproduction. The virus enters a cell through the cell membrane and is encased in a bubble-like vesicle (upper left). The vesicle and viral shell disintegrate, allowing the viral genome to escape and find its way to the cell nucleus where it modifies the cell's own reproductive mechanisms to its own purpose. Detailed in the illustration are the following: vesicle containing virus (top left circle outlined in orange), mitochondrion (soft orange oval in middle), vacuole (light green, middle right), centrioles (pastel orange below vacuole), Golgi bodies (ribbons lower right), endoplasmic reticulum (bottom middle), ribosomes (dark dots at bottom), viral genome (linked triangular shapes in middle), and nucleus (faint yellow middle over viral genome).
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