Non-coding RNA molecules are being studied for their functional importance by molecular biologists. They separate huge complexes including both protein and RNA from exocrine pancreatic cells throughout an experiment. The complexes can be observed floating freely in the cytoplasm as well as attached to the endoplasmic reticulum. Which of the following intracellular locations is the primary site of RNA synthesis identified inside these complexes?

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Eductional Objective: The nucleolus is a dense intranuclear mass that can be seen under optical and electron microscopy and is the principal location of ribosome production and assembly. Except for 5S rRNA, all ribosomal RNA is transcribed in the nucleolus.

Non-Coding RNA Molecules Are Being Studied for Their Functional Importance