I believe you are referring to Bacteria, Archaea, and Eukarya as the first domains of discovered organisms that are posited to be the first. Residue of organic evidence of one of these forms have been found within geologic deposits that have been dated to 3.8 bya in Greenland. Actual fossil evidence of first organisms have been found in geologic layers that date to 3.5 bya in Australia, suggesting wide divergence of deposition.
They do not tell us how life arose because it is believed that plate tectonics have almost totally removed all evidence of first organic creatures, deposits and residue, making the 3.5 bya evidence of possible singular source.
Even more significant, no naturalistic process has been found that can explain the progressive increasing complexity of biochemical compounds needed for a living entity. Chemical evolution is a myth, like Darwin's "warm little ponds" and Oparin-Haldane prebiotic soup.
generally considered to have originated in the late nineteenth century as a reaction to the abuses of big business and the problems that plagued the lower socio-economic classes of that era.
<h3>The lytic cycle and the lysogenic cycle are means of viral replication. This takes place within the host cell and the virus takes control of the host cell and controls its cellular mechanism to reproduce itself.</h3>
