Explain briefly transcription.

Solution

Transcription. The process by which DNA transcribes the information in coded form on mRNA is called transcription. It involves following steps :

(1)The RNA polmerase binds to the promoter and initiates the process of transcription. The DNA strand seperates and one of it functions as template for mRNA synthesis. It is synthesized in the 5’ → 3’ direction. The base pairing is specific A with U ; C with G.

(2) RNA polymerase polymerises the strand using nucleoside triphosphates as substrate.

(3) mRNA detaches when it reaches terminator region the latter restores its original double helical structure.

Some More Questions From Molecular Basis of Inheritance Chapter

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Molecular Basis Of Inheritance

Explain briefly transcription.

Some More Questions From Molecular Basis of Inheritance Chapter

What made DNA more preferrable as genetic material ?

Process of replication is completed in how much time in E.coli ?

What is average rate of polymerization ?

List three components of transcription unit.

Which RNA acts as an adapter ?

Name three kinds of polymerases.

What is splicing ?

Which is more stable DNA or RNA?

Expand UTR.

Where are UTRs present in mRNA strand ?

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