medicalschool: “ Here numerous particles leave a cultured HeLa cell. These viruses lack their vpu gene and thus can’t detach from the cell’s tethering factor, Each viron particle is in diameter. The image was captured with a Zeiss.
Repairing DNA - Like a watch wrapped around a wrist, a special enzyme encircles the double helix to repair a broken strand of DNA. Without molecules that can mend such breaks, cells can malfunction, die, or become cancerous.