WitrynaThe nucleolus is the largest of the discrete densely stained, membraneless structures known as nuclear bodies found in the nucleus. It forms around tandem repeats of rDNA, DNA coding for ribosomal … Witryna1 kwi 2005 · The nucleolus is the most prominent structure in a cell nucleus. It is the site of ribosomal RNA (rRNA) transcription, pre-rRNA processing and ribosome …
Nucleus Definition, Function, Structure, & Facts Britannica
Witryna14 mar 2024 · nucleus, in biology, a specialized structure occurring in most cells (except bacteria and blue-green algae) and separated from the rest of the cell by a double layer, the nuclear membrane. This membrane seems to be continuous with the endoplasmic reticulum (a membranous network) of the cell and has pores, which probably permit … WitrynaA nucleus c. Free-floating nuclear material d. No organelles ANS: B The cell described is a eukaryotic cell. 1. A student is observing a cell under the microscope. It is observed to have supercoiled DNA with histones. ... because you study and make money at the same time! You even benefit from summaries made a couple of years ago. Liberty ... cheap altra trail running shoes
Characterization of Giardia cell nucleus: Its implication on the nature …
WitrynaThe nucleus, nucleolus and Nissl substance (RER and polysomes) are located in the cell body of a neuron. Also seen are two dendrites and an axon, the latter of which … Witryna10 sie 2001 · (1) New protein synthesis in the nucleus (green dots) and the cytoplasm—as indicated by nuclear and cytoplasmic fluorescence after incorporation of fluorescent lysine—is equally sensitive to inhibitors of eukaryotic translation. WitrynaThe nucleolus is the most prominent structure in the eukaryotic cell nucleus, with its high density and greater refractive index relative to the surrounding nucleoplasm rendering it readily detectable in cytological specimens by both light and electron microscopy (Fig. 11.1).This structure attracted substantial interest in the early days of … cheap alucobond suppliers