Flu virus. Transmission electron micrograph (TEM) of a section through influenza (flu) virus particles (virions, purple) budding from a host cell. Thi
Flu virus. Transmission electron micrograph (TEM) of a section through influenza (flu) virus particles (virions, purple) budding from a host cell. This is the final stage in viral replication. Viruses are only able to replicate in a host cell; flu viruses replicate in respiratory cells. They hijack the cell's machinery, making it produce new copies of the virus. When the core of a new virus is assembled it moves to the host cell's membrane, which has viral proteins embedded in it. The core pushes out and buds off from the host cell, taking part of the membrane as its envelope. Magnification: x60,000 when printed at 10 centimetres wide.
Size: 4559px × 3865px
Photo credit: © STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No
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