FRANCIS LEROY, BIOCOSMOS / SCIENCE PHOTO LIBRARY FRANCIS LEROY, BIOCOSMOS / SCIENCE PHOTO LIBRARY
Retrovirus entering a cell. Computer artwork of the first stage of retrovirus infecting a cell. Molecules on the surface of the virus interact with receptors on the cell membrane(blue line) allowing the virus to enter the cell. Shown here is clathrin (red triangles)-dependent endocytosis of the virus particle, which may be used by some retroviruses to enter the cell.
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