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Are ribosomes found on the RER?
yes they are attached with RER and therefore give the rough appearance to them as compared wtih SER
What are cisternae in Golgi apparatus?
# A cisterna (plural cisternae) comprises a flattened membrane disk that makes up theGolgi apparatus. A typical Golgi has anywhere from 3 to 7 cisternae stacked upon each other like a stack of dinner plates, but there are usually around 6. The cisternae carry Golgi enzymes to help or to modify cargo proteins traveling through them destined for other parts of the cell. # The cisternae also carry structural proteins important for its maintenance as a flattened membrane and its stacking upon each other. # The earliest cisternae are called the cis-cisternae, followed by the medial cisternae, then the trans-cisternae (as they move away from the endoplasmic reticulum). # The formation of new cisternae is often called the cis-Golgi network and at the end of the Golgi where transport to other parts of the cell occurs is called the trans-Golgi network. Both are thought to be specialized cisternae leading in and out of the Golgi apparatus. # Cisternae may also refer to flattened regions of the rough endoplasmic reticulum.
Are the found freely floating in the cytoplasm?
Ribosomes are found freely in the cell cytoplasm and they are also found attached to a membrane system called the RER.
Are ribosomes always attached to the RER?
No, ribosomes are not always attached to the rough endoplasmic reticulum (RER). While ribosomes are primarily found on the surface of the RER, where they synthesize proteins destined for secretion or membrane insertion, free ribosomes also exist in the cytoplasm. These free ribosomes synthesize proteins that function within the cytosol. The attachment of ribosomes to the RER is a dynamic process that occurs based on the specific needs of the cell.
What is flattened membranes called?
Flattened membranes are typically referred to as "cisternae." Cisternae are a series of stacked, membrane-bound structures found within organelles such as the endoplasmic reticulum and the Golgi apparatus. They play crucial roles in processes like protein and lipid synthesis, processing, and transport within cells.
What is the function of the cisternae?
The function of the cisternae is the modification of proteins into the final products. The cisternae are found and make up the Golgi Apparatus.
Are ribosomes found on the RER?
yes they are attached with RER and therefore give the rough appearance to them as compared wtih SER
Endoplasmic reticulum is found in what?
The endoplasmic reticulum is an organelle of cells, and is comprised of a membranous network of cisternae.
Is cisternae in an endoplasmic reticulum?
Yes, cisternae are found in the endoplasmic reticulum. The endoplasmic reticulum is a network of membranes in eukaryotic cells that includes cisternae, which are flattened sacs or chambers where various cellular processes take place, such as protein synthesis and lipid metabolism.
Where is the ribosome is found?
In eukariyotes,80s ribosomes found in cytoplasm and on RER.70s in mitochondria and chloroplast.
Where is the ribosome found at?
In eukariyotes,80s ribosomes found in cytoplasm and on RER.70s in mitochondria and chloroplast.
What is the rough er made up of?
The rough endoplasmic reticulum (RER) is primarily made up of a network of membranous tubules and sacs called cisternae, which are studded with ribosomes on their cytoplasmic surface. These ribosomes are responsible for synthesizing proteins, particularly those destined for secretion or for use in the cell membrane. In addition to ribosomes, the RER contains various proteins, lipids, and enzymes that facilitate protein folding and processing. Overall, the RER plays a crucial role in the production and modification of proteins within the cell.
What are cisternae in Golgi apparatus?
# A cisterna (plural cisternae) comprises a flattened membrane disk that makes up theGolgi apparatus. A typical Golgi has anywhere from 3 to 7 cisternae stacked upon each other like a stack of dinner plates, but there are usually around 6. The cisternae carry Golgi enzymes to help or to modify cargo proteins traveling through them destined for other parts of the cell. # The cisternae also carry structural proteins important for its maintenance as a flattened membrane and its stacking upon each other. # The earliest cisternae are called the cis-cisternae, followed by the medial cisternae, then the trans-cisternae (as they move away from the endoplasmic reticulum). # The formation of new cisternae is often called the cis-Golgi network and at the end of the Golgi where transport to other parts of the cell occurs is called the trans-Golgi network. Both are thought to be specialized cisternae leading in and out of the Golgi apparatus. # Cisternae may also refer to flattened regions of the rough endoplasmic reticulum.
Are the found freely floating in the cytoplasm?
Ribosomes are found freely in the cell cytoplasm and they are also found attached to a membrane system called the RER.
When was RER A created?
RER A was created in 1977.
What is the ''RER''?
That is The Rough Endoplasmic Reticulum in a cell. (RER)
Where is the cisternae located?
liver
