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The trans-Golgi cisternae are the compartments at the furthest end of the Golgi apparatus where proteins and lipids are sorted, processed, and packaged into vesicles for transport to their final destination. It is involved in modifying, sorting, and trafficking molecules within the cell.
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What is difference between cis trans Golgi complex?
The cis-Golgi network is located near the endoplasmic reticulum and receives newly synthesized proteins from the ER. The trans-Golgi network is located towards the plasma membrane and sorts and packages proteins into vesicles for delivery to their final destinations. In summary, the cis-Golgi functions in receiving while the trans-Golgi functions in sorting and packaging.
What condition is cause by incubation of cells at 20 c blocks the releases of proteins from the trans Golgi?
The condition is likely related to defective vesicle trafficking, particularly in the trans-Golgi network. Incubating cells at 20°C inhibits the proper sorting and transport of proteins within the Golgi apparatus. This can lead to a blockade in the release of proteins from the trans-Golgi and subsequent impairment in secretory pathways.
Exocytosis vesicles develop from the membranes of which of the following structures?
Exocytosis vesicles develop from the trans-Golgi network or the endoplasmic reticulum in cells. These vesicles contain molecules that are transported to the cell membrane for release outside the cell.
What are the steps of the secretory pathway?
The secretory pathway involves several steps: 1) Protein synthesis in the rough endoplasmic reticulum (ER), 2) Protein processing and modification in the Golgi apparatus, 3) Packaging into vesicles, and 4) Secretion of proteins outside the cell via exocytosis.
Why are lysosomes frequently found near the Golgi apparatus?
Lysosomes originate from the Golgi apparatus through a maturation process. They are formed by the fusion of vesicles containing hydrolytic enzymes with vesicles coming from the trans-Golgi network. This proximity allows for efficient packaging and transport of these enzymes to form functional lysosomes.
What is difference between cis trans Golgi complex?
The cis-Golgi network is located near the endoplasmic reticulum and receives newly synthesized proteins from the ER. The trans-Golgi network is located towards the plasma membrane and sorts and packages proteins into vesicles for delivery to their final destinations. In summary, the cis-Golgi functions in receiving while the trans-Golgi functions in sorting and packaging.
What is the significance of the cis and trans sides of the Golgi apparatus?
hahaha....
If you were a protein destined to reach the plasma membrane and you were making your way through the Golgi when suddenly Golgi trafficking was blocked at the trans face what would happen to you?
If Golgi trafficking is blocked at the trans face, you would be unable to reach the plasma membrane. As a result, you would be trapped in the Golgi apparatus and not be able to fulfill your intended function at the plasma membrane.
If you compared the proteins in a cis Golgi compartment with those in a trans Golgi compartment you would find?
contain fewer modifications
What condition is cause by incubation of cells at 20 c blocks the releases of proteins from the trans Golgi?
The condition is likely related to defective vesicle trafficking, particularly in the trans-Golgi network. Incubating cells at 20°C inhibits the proper sorting and transport of proteins within the Golgi apparatus. This can lead to a blockade in the release of proteins from the trans-Golgi and subsequent impairment in secretory pathways.
How do proteins and other substances get from Endoplasmic Reticculum to Golgi apparatus?
Transport vesicles. Perhaps by motor proteins and entering the trans side of the Golgi.
Why it is said Golgi complex has a polarity?
That's because Golgi complex is really spatially orientated (it does not have any random orientation) in the cell - the "cis" part of Golgi is close to endoplasmic reticulum and the "trans" part of Golgi is distant from endoplasmic reticulum. Proteins and lipids coming from endoplasmic reticulum enter Golgi at its "cis" part and across the Golgi network, they are transported towards the "trans" part, from where they are excreted either to other parts of the cell, or more usually, they are transported to plasmatic membrane.
What organelles possesses a cis and trans side composed of cisternae?
The Golgi apparatus possesses a cis and trans side composed of cisternae. Proteins and lipids are modified and sorted as they move through these compartments, with the cis side receiving materials from the endoplasmic reticulum and the trans side shipping them out to their destinations.
Where does cisternal maturation occur?
Cisternal maturation occurs in the Golgi apparatus, specifically in the cis-Golgi network. This process involves the gradual maturation and transformation of cis cisternae into trans cisternae, allowing for the processing and sorting of proteins within the Golgi apparatus.
A cell organelle that helps make and package material to trans port out of the cell?
That's the Golgi apparatus.
Exocytosis vesicles develop from the membranes of which of the following structures?
Exocytosis vesicles develop from the trans-Golgi network or the endoplasmic reticulum in cells. These vesicles contain molecules that are transported to the cell membrane for release outside the cell.
What side do the vesicles enter in the Golgi apparatus?
Vesicles enter the cis face of the Golgi apparatus, also known as the forming face or entry face. From there, they move through the Golgi stacks to the trans face, where they ultimately exit the Golgi apparatus.
