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Biology 21 Online
OpenStudy (anonymous):

can any one tell me the function and structure of endoplasmic reticulum

OpenStudy (anonymous):

Check wikipedia for a detailed answer, but mainly this is where protein synthesis occurs.

OpenStudy (anonymous):

other than protein synthesis

OpenStudy (anonymous):

bioooo nerd will provide with complete answer

OpenStudy (anonymous):

Here's a link. Hope it helps (: http://www.cytochemistry.net/cell-biology/rer1.htm

OpenStudy (aroub):

its a network of canals and tubes running throughout the cytoplasm. and it transports substances from one part of the cell to another. ummm.. and as kmouso said if you want detailed answers or other answer go to Wikipedia..

OpenStudy (anonymous):

Wikipedia says other functions could be: Insertion of proteins into the endoplasmic reticulum membrane Glycosylation Disulfide bond formation and rearrangement Drug metabolism

OpenStudy (anonymous):

Structure 1 Nucleus 2 Nuclear pore 3 Rough endoplasmic reticulum (RER) 4 Smooth endoplasmic reticulum (SER) 5 Ribosome on the rough ER 6 Proteins that are transported 7 Transport vesicle 8 Golgi apparatus 9 Cis face of the Golgi apparatus 10 Trans face of the Golgi apparatus 11 Cisternae of the Golgi apparatus The general structure of the endoplasmic reticulum is an extensive membrane network of cisternae (sac-like structures) held together by the cytoskeleton. The phospholipid membrane encloses a space, the cisternal space (or lumen), which is continuous with the perinuclear space but separate from the cytosol. The functions of the endoplasmic reticulum vary greatly depending on the exact type of endoplasmic reticulum and the type of cell in which it resides. The three varieties are called rough endoplasmic reticulum, smooth endoplasmic reticulum, and sarcoplasmic reticulum. The quantity of RER and SER in a cell can quickly interchange from one type to the other, depending on changing metabolic needs: One type will undergo numerous changes including new proteins embedded in the membranes in order to transform. Also, massive changes in the protein content can occur without any noticeable structural changes, depending on the enzymatic needs of the cell. functions The endoplasmic reticulum serves many general functions, including the facilitation of protein folding and the transport of synthesized proteins in sacs called cisternae. Correct folding of newly-made proteins is made possible by several endoplasmic reticulum chaperone proteins, including protein disulfide isomerase (PDI), ERp29, the Hsp70 family member Grp78, calnexin, calreticulin, and the peptidylpropyl isomerase family. Only properly-folded proteins are transported from the rough ER to the Golgi complex. http://en.wikipedia.org/wiki/Endoplasmic_reticulum

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