Question

State the ‘Central dogma’ as proposed by Francis Crick. Are there any exceptions to it? Support your answer with a reason and an example.

Solution

Francis Crick proposed the Central dogma in molecular biology, which states that the genetic information
flows from DNA → RNA → Protein.

In some viruses, central dogma is seen in the reverse direction, that is from RNA to DNA. as RNA is the main genetic material.
Eqs: Retrovirus (HIV) and the process is Reverse transcription.

Some More Questions From Molecular Basis of Inheritance Chapter

Why was RNA unstable ?

What made DNA more preferrable as genetic material ?

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Molecular Basis Of Inheritance

State the ‘Central dogma’ as proposed by Francis Crick. Are there any exceptions to it? Support your answer with a reason and an example.

Some More Questions From Molecular Basis of Inheritance Chapter

Why was RNA unstable ?

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.

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