Q4 of 71 Page 41

Define a cistron. Giving examples differentiate between monocistronic and polycistronic transcription unit.

Cistron is the part of the DNA which has the information for an entire polypeptide chain.


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During DNA replication, why is it that the entire molecule does not open in one go? Explain replication fork. What are the two functions that the monomers (d NTPs) play?