Question

transcription in eukaryotes

write some points !!​

Answer 1

A N S W E R :

In Eukaryotic :

There are at least Three RNA Polymerase in the nucleus.

The primary transcript hnRNA

( Heterogeneous Nuclear RNA ) contains two types of segments the non coding introns and coding exons.

The primary eukaryotic mRNA transcript is non functional it undergoes three types of processing :

• 1) SPLICING : Where the introns are removed and exons are joined in a difinate manner.

• 2) CAPPING : An unusual nucleotide methyl guanosine triphosphate is added to the 5' end of the hnRNA.

• 3) TAILING : Adenylate residues are added ( polyadenylation ) at 3' end of hn RNA.

Answer 2

Answer:

Eukaryotic transcription is the elaborate process that eukaryotic cells use to copy genetic information stored in DNA into units of transportable complementary RNA replica. Gene transcription occurs in both eukaryotic and prokaryotic cells.

Key Points

Eukaryotic transcription is carried out in the nucleus of the cell and proceeds in three sequential stages: initiation, elongation, and termination.

Eukaryotes require transcription factors to first bind to the promoter region and then help recruit the appropriate polymerase.

The major steps of transcription are initiation, promoter clearance, elongation, and termination.

Explanation:

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