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.
A structure or part that is enclosed within its own membrane inside a cell and has a particular function. Organelles are found only in eukaryotic cells and are absent from the cells of prokaryotes like bacteria.The nucleus, mitochondrion, and chloroplast are examples of organelles.hondriosome, mitochondrion-an organelle containing enzymes responsible for producing energy. centriole-one of a pair of small cylindrical cell organelles near the nucleus in animal cells; composed of nine triplet microtubules and form the asters during mitosis.