Endoplasmic Reticulum: Occurrences and Interesting Facts
You probably know an endoplasmic reticulum from your biology class at school. But what was that again exactly? You can find interesting information about its occurrence and other information here.
Interesting facts about an endoplasmic reticulum
An endoplasmic reticulum is often abbreviated as "ER" in the specialist literature. "Endoplasmic" means that the reticula in question occur in the cytoplasm, that is, within a cell. "Reticulum" can be translated as "net".
- Endoplasmic reticules consist of several tubes, sac-like structures and vesicles. The whole thing is surrounded by a membrane.
- A distinction is made between the rough and the smooth endoplasmic reticulum. The smooth ER is related to the rough ER. The rough ER has so-called ribosomes that are bound to the ER, but otherwise it is structured in the same way as the smooth ER.
Occurrence and function
- An endoplasmic reticulum is a cell organelle. Endoplasmic reticules occur in all cells that have a nucleus. So when endoplasmic reticules are present in cells, it means that these cells are eukaryotic.
- Rough endoplasmic reticules are very important for living beings because they are used to produce essential amino acid chains. This process is called protein biosynthesis, whereby the cell organelle is important for the Translation, in which a base sequence of the mRNA is translated into an amino acid sequence of the final product will. The ribosomes are responsible for the growth of the membrane that surrounds the endoplasmic reticulum when there has been cell division.
- However, smooth endoplasmic reticules have other important ones Functionssuch as the formation of steroid hormones, sex hormones or enzymes. They are also responsible for regulating blood sugar levels and calcium storage.
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