The structure of nuclear membrane facilitates:

Synapsis of homologous chromosomes at meiosis

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Nucleo-cytoplasmic exchange of materials

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Anaphasic separation of daughter chromosomes

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Organization of spindles

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Solution

The correct option is B Nucleo-cytoplasmic exchange of materials
The nuclear membrane is made up of two membranes surrounded by a perinuclear space. The nuclear envelope has a large number of pores with a diameter of 200-800 angstroms. Nuclear pores have diaphragms, septa annuli, microspores for the movement of substances between the nucleus and cytoplasm. Thus, the correct answer is option B.

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Similar questions

	Metaphase	Anaphase	Anaphase-1
1)	Chromosomes are moved to spindle equator	Daughter chromatids separate	Chromatids remain associated
2)	Chromosomes are moved to spindle equator	Centromeres are towards poles	Centromeres are towards the equator
3)	Starts with complete nuclear member disintegration	Centromeres are towards poles	Segregation of homologous chromosomes
4)	Starts with complete nuclear member disintegration	Centromeres split	Segregation of homologous chromosomes

Synapsis of homologous chromosomes takes place during

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