Clusters of rRNA where ribosomes are assembled are called
A
Nucleoli
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B
Nuclei
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C
Centrioles
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D
Golgi complexes
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Solution
The correct option is C Nucleoli The rRNA are the form of RNA which is translated in the nucleolus. The nucleolus is the structure in the nucleus which is the site for the formation of ribosomes. The rRNA molecules are translated and the subunits are arranged to form the ribosomal structures. So, there is clustering of many molecules of the rRNA in the nucleolus. These ribosomes are then transported to the cytoplasm or the surface of ER.