RNA polymerase is an enzyme that is responsible for copying a DNA sequence into an RNA sequence, duyring the process of transcription.NA polymerases have been found in all species, but the number and composition of these proteins vary across taxa. For instance, bacteria contain a single type of RNA polymerase, while eukaryotes (multicellular organisms and yeasts) contain three distinct types.
1 A Federal Employees' Retirement System (FERS) employee (generally if you were hired on or after January 1, 1984), or.  A Civil Service Retirement System (CSRS) employee (generally if you were hired before January 1, 1984 and did not convert to FERS), or.
General Program Requirements. Eligibility is determined by your age and number of years of creditable service. In some cases, you must have reached the Minimum Retirement Age (MRA) to receive retirement benefits. Use the FERS Information page to determine your Minimum Retirement Age. There are four categories of benefits in the Federal Employees Retirement System (FERS) Basic Benefit Plan: