What are nuclear pores ? State their function. from Biology Cell

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169. What are nuclear pores ? State their function.


Nuclear pores are pores in nuclear membrane. They are are formed by the fusion of its two membranes.

Functions of nuclear pores :

1. The materials are exchanged between cytoplasm and nucleus through nuclear pores.

2. The proteins are passed in and out of the nucleus through nuclear pores.

3. The enzymes for synthesis of DNA and RNA are passed into nucleus through nuclear pores.

4. Ribosomal subunits  and RNA are passed out from nucleus via nuclear pores.

5. m RNA and t RNA are passed out into cytoplasm via nuclear pores.

 

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