18S may refer to: *

18S ribosomal RNA 18S ribosomal RNA (abbreviated 18S rRNA) is a part of the ribosomal RNA. The S in 18S represents Svedberg units. 18S rRNA is an SSU rRNA, a component of the eukaryotic ribosomal small subunit ( 40S). 18S rRNA is the structural RNA for the small ...

18S rRNA (adenine1779-N6/adenine1780-N6)-dimethyltransferase 18S rRNA (adenine1779-N6/adenine1780-N6)-dimethyltransferase (, ''18S rRNA dimethylase Dim1p'', ''Dim1p'', ''ScDim1'', ''m2(6)A dimethylase'', ''KIDIM1'') is an enzyme with systematic name ''S-adenosyl-L-methionine:18S rRNA (adenine1779-N6/adenin ...

18SEH The Family II is a straight-4 piston engine that was originally developed by Opel in the 1970s, debuting in 1979. Available in a wide range of cubic capacities ranging from 1598 to 2405 cc, it simultaneously replaced the Opel OHV, Opel CIH and ...

See also