what is the function of the rough endoplasmic reticulum in a cell?
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The endoplasmic reticulum can either be smooth or rough, and in general its function is to produce proteins for the rest of the cell to function. The rough endoplasmic reticulum has on it ribosomes, which are small, round organelles whose function it is to make those proteins.
736654
There actually are simple... Membrane, cytoplasm, endoplasmic reticulum (smooth and rough), nucleus or multiple nuclei), mitochondria, lysosomes, Golgi and other organelles that depend on the type of cell, e.g. muscle cells will have actin/myosin contractile fibers, nueron have neural fibers and so on.
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The ribosome that is synthesizing the protein is directly attached to the ER membrane. These membrane-bound ribosomes coat the surface of the ER, creating regions termed rough endoplasmic reticulum, or rough ER (Figure 12-36A).
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['Cell membrane (Plasma membrane) ... ', 'Cytoplasm (Cytosol) ... ', 'Nucleus. ... ', 'Ribosomes. ... ', 'Rough endoplasmic reticulum. ... ', 'Smooth endoplasmic reticulum. ... ', 'Golgi apparatus. ... ', 'Transport vesicle.']
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Terms in this set (15) Called the rough endoplasmic reticulum because it has ribosomes on the surface. It is found in both plant and animal cells. It is found in both plant and animal cells. Function: holds all organelles in place.
1334286
Proteins that function within the endomembrane system (such as lysosomal enzymes) or those that are destined for secretion from the cell (such as insulin) are synthesized by bound ribosomes. ... Rough ER: As membrane proteins grow from ribosomes on rough ER, the proteins are embedded into the rough ER membrane.
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ROUGH ENDOPLASMIC RETICULUM Rough ER is found throughout the cell but the density is higher near the nucleus and the Golgi apparatus. Ribosomes on the rough endoplasmic reticulum are called 'membrane bound' and are responsible for the assembly of many proteins.
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Yes, absolutely. The endoplasmic reticulum is one continuous compartment. ... I don't know if there's a functional significance to this continuity, but in theory, a protein in the lumen of the SER could migrate through the RER and into the perinuclear space without having to go "outside" to get there.
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Smooth ER. ... In muscle cells, a specialized SER called the sarcoplasmic reticulum is responsible for storage of the calcium ions that are needed to trigger the coordinated contractions of the muscle cells.
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Vesicles can be classified by their contents and function. Transport vesicles are part of the endomembrane system. They are able to move molecules such as proteins between locations inside the cell. For example, transport vesicles move proteins from the rough endoplasmic reticulum to the Golgi apparatus.
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Rough ER is found throughout the cell but the density is higher near the nucleus and the Golgi apparatus. Ribosomes on the rough endoplasmic reticulum are called 'membrane bound' and are responsible for the assembly of many proteins.
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Rough endoplasmic reticulum (RER), series of connected flattened sacs, part of a continuous membrane organelle within the cytoplasm of eukaryotic cells, that plays a central role in the synthesis of proteins. ... RER occurs in both animal and plant cells.
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There are two types of endoplasmic reticulum: rough endoplasmic reticulum (rough ER) and smooth endoplasmic reticulum (smooth ER). Both types are present in plant and animal cells. The two types of ER often appear as if separate, but they are sub-compartments of the same organelle.
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Both rough ER and smooth ER have the same types of membranes but they have different shapes. Rough ER looks like sheets or disks of bumpy membranes while smooth ER looks more like tubes. Rough ER is called rough because it has ribosomes attached to its surface. ... Smooth ER (SER) acts as a storage organelle.
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The sarcoplasmic reticulum is a critical storage site for calcium ions, taking up the ions from the cytoplasm. It also releases calcium ions when the muscle cell is triggered by nerve stimuli, resulting in muscle contraction.
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Endoplasmic reticulum is an organelle found in both eukaryotic animal and plant cells.
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The difference lies between the two is that the Smooth Endoplasmic Reticulum is not bounded by the ribosomes and is known for storing the lipids and proteins. Meanwhile, the Rough Endoplasmic Reticulum is bounded by the ribosomes and store proteins. ... ER is of two type smooth and rough.