In fact, they're getting troublingly little sleep: 65 percent are sleeping an average of just six hours and 27 minutes every night, according to the survey, which was conducted by the hotel company Travelodge.
The nucleus is a membrane-enclosed organelle found in eukaryotic cells. It contains the genetic material of the cell, organized as multiple long linear DNA molecules that coil around to form chromosomes. The transcription of RNA also takes place in the nucleus.
In cell biology, an organelle /ÉrÉ¡ÉËnÉl/ is a specialized subunit within a cell that has a specific function.Individual organelles are usually separately enclosed within their own lipid bilayers.evertheless, the use of organelle to refer to non-membrane bound structures such as ribosomes is common. This has led some texts to delineate between membrane-bound and non-membrane bound organelles.