Muscle cells are stained green in this micrograph of cells grown from embryonic stem cells in the lab of Masatoshi Suzuki at the University of Wisconsin -- Madison. Cell nuclei are stained blue; the ...
Colorized scanning electron micrograph of cells heavily infected with COVID-19 (SARS-CoV-2) virus particles (orange). The inset is an artist’s rendition of a single virus with its spike proteins — the ...
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