Nucleolus And Diseases Flashcards

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1
Q

What is NOR?

A

Chromosomel regions crucial for the formation of the nucleolus
13 14 15 21 22. chromosomes

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2
Q

regions of nucleolus

A

Fibrilar center(FC)
Dense fibrilar component(DFC)
Granular component(GC)

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3
Q

most important functions of Nucleolus

A

where rRNAs (5.8S, 18S, 28S) are transcribed and ribosomal subunits are assembled
ribosome biogeresis

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4
Q

the fibrillar center

A

where transcription of rDNA occurs

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5
Q

the dense finrillar component

A

is where the protein structures necessary for rRNA processing are located

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6
Q

the granular component

A

contains another vital protein known as nucleophosmin which participates in the biogenesis of the ribosome

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