The nucleolus is...

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(B) The nucleolus is a non-membrane-bound,spherical structure present within the nucleus of eukaryotic cells.It is the site for active ribosomal $RNA$

Vedclass · Accepted Answer

$A$ spherical structure present inside the nucleus containing $r-RNA$ and chromatin.

Vedclass · Answer

(B) The nucleolus is a non-membrane-bound,spherical structure present within the nucleus of eukaryotic cells.It is the site for active ribosomal $RNA$ $(r-RNA)$ synthesis.It is often associated with the nucleolar organizer regions of chromosomes (chromatin).Therefore,option $B$ is the correct description.

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