The endoplasm is the inner core of the cytoplasm and the membranes of the ER are continuous with the outer membrane of the nuclear envelope. Endoplasmic reticulum occurs in most types of eukaryotic cells, including the most primitive Giardia, but is absent from red blood cells and spermatozoa.n some cells, there are dilated areas like the sacs of rough endoplasmic reticulum. The network of smooth endoplasmic reticulum allows for an increased surface area to be devoted to the action or storage of key enzymes and the products of these enzymes.
The Stono Rebellion was the largest rebellion mounted by slaves against slave owners in colonial America. The Stono Rebellion's location took place near the Stono River in South Carolina. The details of the 1739 event are uncertain, as documentation for the incident comes from only one firsthand report and several secondhand reports.
Siena (Italian pronunciation: [ËsjÉËna] ( listen); in English sometimes spelled Sienna) is a city in Tuscany, Italy. It is the capital of the province of Siena.