Answer Wiki. 1 Answer. It's a term of endearment, a nickname you might call your husband/girlfriend/boyfriend/wife. I haven't heard it used for real in several decades; it might be kind of archaic. There's a case to be made that it's also a bit condescending, but that would really depend on the relationship IMO.
DNA is mainly only found in the nucleus (if we disregard mitochondrial DNA). RNA is found in both nucleus and cytoplasm, as it is synthesized from the DNA template in the nucleus but is addressed to the cytoplasm, like a letter, a message (hence mRNA m for messenger) where it is translated into a protein by the ribosome.
Promoter sequences define the direction of transcription and indicate which DNA strand will be transcribed; this strand is known as the sense strand. Many eukaryotic genes have a conserved promoter sequence called the TATA box, located 25 to 35 base pairs upstream of the transcription start site.romoter sequences are typically located directly upstream or at the 5' end of the transcription initiation site.