30 Describe the nature of the replication apparatus at the r

30. Describe the nature of the replication apparatus at the replication fork.

31. Compare transcription and translation in prokaryotes and eukaryotes.

32. Discuss the basics of RNA polymerase II and its promoters.

33. Discuss the synthesis and processing of messenger RNA (mRNA).

34. Discuss the role of capping and polyA addition to eukaryotic mRNAs.

Solution

Ans 30

Replication apparatus at replication fork

The replication fork is present within the replication bubble. It is that area of DNA where DNA replication the point at which DNA synthesis will start; so, its nature is growing and unwinding. It unwinds the DNA using an enzyme helicase; resulting in the formation of a replication bubble. The important thing to note is that replication fork is rich in the base, \"AT\". These bases melt easily and result in formation of replication bubble.