Nucleolus in eukaryotic cells is

Visible in metaphase

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The site for synthesis of RNA polymerase

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Bounded by a membrane

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The site of packaging of rRNAs with ribosomal proteins

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Solution

The correct option is B The site of packaging of rRNAs with ribosomal proteins
Nucleolus in eukaryotic cells is the site of rRNA synthesis and packaging of ribosomes. It is, therefore, called as ribosomal factory. Ribosomal proteins are however synthesized in the cytoplasm.
So, the correct answer is 'The site of packaging of rRNAs with ribosomal proteins'

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Similar questions

(A) Nucleus	(i) Synthesis and protein packaging
(B) Nucleolus	(ii) Nuclear pores
(C) Smooth endoplasmic reticulum	(iii) Seat of ribosomes formation
(D) Rough Endoplasmic reticulum	(iv) Endomembrane system with Golgi and nucleus
	(v) Fat storage
	(vi) Director of the cell
	(vii) Detoxification of drugs
	(viii) Storage house of RNA
	(ix) storage of calcium
	(x) Studded ribosomes
	(xi) Karyotheca
	(xii) Without defined membrane

Assertion: DNA passes its genetic information to RNA via transcription.

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