Nucleolus is formed by

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(B) The Nucleolus is a non-membrane-bound structure present within the nucleus.It is formed at specific sites on certain chromosomes known as the Nucl

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Nucleolar organiser

Vedclass · Answer

(B) The Nucleolus is a non-membrane-bound structure present within the nucleus.It is formed at specific sites on certain chromosomes known as the Nucleolar Organiser Regions $(NOR)$.These regions contain the genes for ribosomal $RNA$ $(rRNA)$ synthesis,which are essential for the assembly of ribosomes.Therefore,the correct answer is the Nucleolar organiser.

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