Question

What are the three types of post-transcriptional processing, and what are the consequences of preventing each of these modifications in terms of gene expression? Essay answers are limited to about 600 words.

Answer 1

The pri m RNA molecules undergoes three main modification. This modification of 5'capping 3'0 polyadenylation, and RNA splicing, which occur in the cell nucleus before the RNA is translated. Post transcriptional modification of free m RNA, such as capping, slicing, and poly adenylation takes place in the nucleus. After these modifications have been completed, the mature m RNA molecules have to be translocated into the cytoplasm where Protein synthesis occur.

The three most important steps of free m RNA processing of the addition of stabilizing and signalling factors at the end of 5' and 3'end of the molecules,and the removal of intervening sequences that do not specify the appropriate amino acids.

transcription is the process by which information in a strand of DNA is copied into a new molecules of messenger RNA. Together the transcription factors and RNA polymerase form a complex called transcriptional initiation complex.

One example of post transcriptional levelr of gene expression in RNA editing. The process involves the removal of introns from the primary transcript.

post transcriptional modification of tmr any such as capping slicing and polyadenylation takes place in the nucleus. After these modifications have been completed, the mature and molecules have to be transported into the cytoplasm where Protein synthesis occur.the consequences of change modifications protein post-translational modifications increased the functional diversity of the proleome by the covid and addition of functional group or protein proteolytic cleavage of regulatory subunits or degradation of entire proteins

Post translational post-translational modification of proteins include phosphorylation, acytelation,AMPylation Ubiquintination, and ubiquitin modification