Is Nostoc motile or nonmotile?
Nostoc thermotolerans are gram-negative photoautotrophs. Non-motile, barrel-shaped cells that form filaments called trichomes. Why Nostoc is known as fallen stars? When on the ground, a Nostoc colony is ordinarily not seen; but after a rain it swells up into a conspicuous jellylike mass, which was once thought to have fallen from the sky, hence the…