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6. Compare the structure and function of a typical DNA polymerase and a typical

ID: 300886 • Letter: 6

Question

6.       Compare the structure and function of a typical DNA polymerase and a typical RNA polymerase.

7.       What are the post-transcriptional modifications that the pre-mRNA is subjected to in eukaryotes? Explain by giving the role(s) of each modification.

8.       Highlight the general characteristics of a mature mRNA in comparison with rRNA or tRNA

9.       What are the main properties of the genetic code? Are there any exceptions?

10.   Compare the structure and function of the small and large ribosomal subunits?

Explanation / Answer

6.

7. Primary RNA which is going to be formed as mRNA after the translation process is called as pre-RNA. Transcription produced these pre RNA which is later produced into mRNA after translation process. During this process, it undergoes various modification which includes:

8.  Mature messenger RNA is a eukaryotic RNA transcript that has been spliced and processed and is ready for translation in the course of protein synthesis.

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