How does the membrane of endoplasmic reticulum are continuous with the outer membrane of nuclear envelope? show with the help of example.
Answers
Answer:
The nuclear envelope separates the contents of the nucleus from the cytoplasm and provides the structural framework of the nucleus. The nuclear membranes, acting as barriers that prevent the free passage of molecules between the nucleus and the cytoplasm, maintain the nucleus as a distinct biochemical compartment. The sole channels through the nuclear envelope are provided by the nuclear pore complexes, which allow the regulated exchange of molecules between the nucleus and cytoplasm. The selective traffic of proteins and RNAs through the nuclear pore complexes not only establishes the internal composition of the nucleus, but also plays a critical role in regulating eukaryotic gene expression.
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The outer layer of the nucleus continues in the endoplasmic reticulum, to create space between the inner and outer nuclear layers, which is directly connected to the lumen of the endoplasmic reticulum.
More Explanation:
In contrast, the inner layer of the nucleus contains unique proteins that are specific to the nucleus.
Extra Information:
What do you mean by endoplasmic reticulum?
Endoplasmic reticulum refers to a network of tubules which contains membranes within the cytoplasm of a eukaryotic cell, which is continuous with the nuclear membrane.
Ribosomes is attached to it usually and is involved in protein and lipid synthesis.
Function of endoplasmic reticulum:
The main function of the endoplasmic reticulum is to produce proteins for the rest of the cell to function.
Importance of endoplasmic reticulum:
It plays a very important role in the transport of materials from one part of the cell to the other.