when the appropriate viable count is not known ahead oftime; to reach a suitable dilution;
based on powers of 10, although other serial dilutionfactors are possible.
All of the above apply.
The most thermophilic prokaryotes are species of Archaea.;Nonphototrophic organisms are able to grow at highertemperatures than phototrophic organisms.;In general, prokaryotic organisms can grow at highertemperatures than eukaryotic organisms.
All of the above are true.