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  2. Endoplasmic reticulum - Wikipedia

    en.wikipedia.org/wiki/Endoplasmic_reticulum

    The endoplasmic reticulum (ER) is a part of a transportation system of the eukaryotic cell, and has many other important functions such as protein folding.It is a type of organelle made up of two subunits – rough endoplasmic reticulum (RER), and smooth endoplasmic reticulum (SER).

  3. Endomembrane system - Wikipedia

    en.wikipedia.org/wiki/Endomembrane_system

    There are two distinct, though connected, regions of ER that differ in structure and function: smooth ER and rough ER. The rough endoplasmic reticulum is so named because the cytoplasmic surface is covered with ribosomes, giving it a bumpy appearance when viewed through an electron microscope. The smooth ER appears smooth since its cytoplasmic ...

  4. Yop1p - Wikipedia

    en.wikipedia.org/wiki/Yop1p

    Thus, the peripheral ER is composed of a polygonal network of tubules and interdispersed sheets that spreads from the nuclear envelope to the cell cortex. At an ultrastructural level, the ER can be classified into two types, rough ER (RER) and smooth ER (SER). The RER has a sheet-like morphology and its main feature is the presence of ribosomes ...

  5. Microsome - Wikipedia

    en.wikipedia.org/wiki/Microsome

    Rough (containing ribosomes) and smooth (without ribosomes) microsomes are made from the endoplasmic reticulum through cell disruption. These microsomes have an inside that is exactly the same as the endoplasmic reticulum lumen. Both forms of microsomes can be purified by a process known as equilibrium density centrifugation. Rough and smooth ...

  6. Hepatocyte - Wikipedia

    en.wikipedia.org/wiki/Hepatocyte

    Synthesis of proteins is by the rough endoplasmic reticulum (RER), and both the rough and smooth endoplasmic reticulum (SER) are involved in secretion of the proteins formed. The endoplasmic reticulum (ER) is involved in conjugation of proteins to lipid and carbohydrate moieties synthesized by, or modified within, the hepatocytes.

  7. Cisterna - Wikipedia

    en.wikipedia.org/wiki/Cisterna

    It begins in the rough endoplasmic reticulum (ER), where proteins are synthesized and initially sorted into vesicles for transport. These vesicles then move to the Golgi apparatus, where they undergo further processing and are directed to their final destinations, such as the plasma membrane, endosomes, or lysosomes.

  8. Translocon - Wikipedia

    en.wikipedia.org/wiki/Translocon

    The translocon (also known as a translocator or translocation channel) is a complex of proteins associated with the translocation of polypeptides across membranes. [1] In eukaryotes the term translocon most commonly refers to the complex that transports nascent polypeptides with a targeting signal sequence into the interior (cisternal or lumenal) space of the endoplasmic reticulum (ER) from ...

  9. Cellular compartment - Wikipedia

    en.wikipedia.org/wiki/Cellular_compartment

    The nucleolus within the nuclear envelope is the location of ribosome synthesis. The destination of synthesized ribosomes for protein translation is rough endoplasmic reticulum (rough ER), which is connected to and shares the same membrane with the nucleus. The Golgi body is also near the rough ER for packaging and redistributing. Likewise ...