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Nuclear Organizer Regions (NOR) is found in ________

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Nuclear Organizer Regions (NOR) is found in ________

(a) Nuclear matrix

(b) Nucleolus

(c) Nuclear lamina

(d) Nucleoporins

The question was posed to me by my college director while I was bunking the class.

The above asked question is from Nucleus in chapter Nucleus & Aerobic Respiration of Cell Biology

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Right option is (b) Nucleolus

Easiest explanation: The nucleolus is a dense granular region present inside the nucleus. It is concerned with the production of rRNA and consists of tandems of rDNAs, DNA that codes for rRNA. These rDNA rich regions of nucleolus is called Nuclear Organizer Regions (NOR).

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