Who showed that the nuclear membrane has many pores or circular structures or annuli

Why does the nuclear envelope has pores in it ?

Nuclear spindle has how many types of fibres?

The structure of nuclear membrane facilitates

The structure of nuclear membrane facilitates

At certain places, the nuclear envelope is interrupted by the presence of nuclear pores which are enclosed by cir- cular structures called as

At certain places, the nuclear envelope is interrupted by the presence of nuclear pores which are enclosed by cir- cular structures called as

Assertion.Separation of daughter prochromosomes to opposite sides is aided by cell membrane in bacteria. Reason.Bacterial cell membrane has a special molecular structure.

Assertion : Amphioxus has a simple organization compared to vertebrates. Reason : Many important craniate structure are lacking in Amphioxus.