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.

247 Views

How do neutral solutes move across the plasmalemma ? Can the polar molecules also move across it in the same way ? If not, then how are these transported across the membrane?

Describe the structure of the following with the help of labelled diagrams

Describe the structure of the following with the help of labelled diagrams.
ii. Centrosome

Both lysosomes and vacuoles are endomembrane structures, yet they differ in terms of their function. Comment

Cell : The Unit of Life

What are nuclear pores ? State their function.