Explain Central Dogma of flow of information.
Central Dogma.
It is the flow of information from DNA to mRNA (transcription) and then decoding information present in mRNA in the formation of polypeptide chain or protein (Translation). It was proposed by Crick 1958.
Replication
In other words, the four letter language of DNA is transcribed into 4 letter language of mRNA in the form of triplet (codons) which is then translated in 20 letter language of protein. The structural proteins form the protoplasm whereas functional proteins constitute the enzyme, hormones, interferons and antibodies. Thus DNA directs various characters in the form of synthesis of a particular protein.