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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.
Where is the organelle located in the golgi appartus?
The Golgi apparatus is located near the cell nucleus in the cell's cytoplasm. It consists of a series of flattened, membrane-bound sacs called cisternae.
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.
What type of fiber Terminal cisternae?
Terminal cisternae are specialized structures found in skeletal muscle fibers that are part of the sarcoplasmic reticulum. They serve as reservoirs for calcium ions, which are essential for muscle contraction. These cisternae are located adjacent to the T-tubules and play a crucial role in the excitation-contraction coupling process by releasing calcium in response to action potentials. Their arrangement helps ensure rapid and coordinated muscle contraction.
What is stored in the terminal cisternae?
calcium
What is a sac of thylakoids called?
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.
What is normally stored in terminal cisternae?
Calcium
Normally stored in the terminal cisternae?
Calcium
Where are the cross bridges involved in muscle contraction?
in the terminal cisternae
What is the difference between a dyad and triad in skeletal cardiac muscle?
In skeletal muscle, a triad is formed when a T-Tubule is flanked on either side by the calcium containing Terminal Cisternae of the Sarcoplasmic Reticulum, at the level of the Z-line. The intimate association of these three membranous sturctures (Terminal Cisternae---T-Tubule---Terminal Cisternae) for a Triad. This differs from a diad (or Dyad), in cardiac muscle where the T-Tubule is only intimately associated with ONE Terminal Cisternae.
The skeletal muscle complex known as the triad consists of what?
one transverse tubule and two terminal cisternae
