Therefore, while bacteria accomplish transcription of all genes using a single kind of RNA polymerase, the use of different sigma factor subunits provides an extra level of control. Eukaryotic ...

allowing histones to remain acetylated and promoting transcription. Storage of eukaryotic DNA in small, compact nuclei requires that this DNA be tightly coiled and compacted in the form of chromatin.

In eukaryotic cells like human cells, transcription occurs in the nucleus ... possess 70S ribosomes (where S refers to the Svedberg unit, which is a measure of the sedimentation coefficient ...