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What is the purpose of the 5' cap and the 3' poly A tail?
5' cap helps protect mRNA from degradation by hydrolytic enzymes and after mRNA reaches the cytoplasm, the 5' cap functions as part of an "attach here" sign for ribosomes. The poly-A-tail inhibits degradation of RNA and helps ribosomes attach and facilitates export of mRNA from the nucleus.
What is the name of the specialized enzyme that adds the poly-A-Tail?
The specialized enzyme that adds the poly-A-tail is called poly(A) polymerase. It adds multiple adenosine residues to the 3' end of mRNA molecules during post-transcriptional processing.
Why is end of a processed mrna referred to a poly a tail?
The poly(A) tail is a long sequence of adenine nucleotides added to the end of a processed mRNA molecule. It plays a role in protecting the mRNA from degradation and regulating its stability and translation efficiency. The addition of the poly(A) tail is an essential step in mRNA processing in eukaryotic cells.
What is polyadenylation mechanism?
Polyadenylation is a process in which a poly(A) tail is added to the 3' end of a newly synthesized mRNA molecule. This poly(A) tail helps to stabilize the mRNA molecule and plays a role in the export of the mRNA from the nucleus to the cytoplasm for translation. Polyadenylation also signals the termination of transcription.
One of the main functions of the tail is to?
The main function of the tail is to help with balance and coordination, as well as aiding in communication and signaling between animals. Additionally, the tail can be used for defense and propulsion in certain species.
What helps to stabilize mRNA by inhibiting its degradation?
The addition of a 5' cap and a 3' poly-A tail to mRNA can help stabilize it by protecting it from degradation. Additionally, proteins bound to specific sequences in the mRNA can also prevent its degradation.
The 3' poly-a tail is attached to?
The 3' poly-A tail is attached to the 3' end of messenger RNA (mRNA) transcripts during post-transcriptional RNA processing. It helps stabilize the mRNA and plays a role in the translation process by signaling the addition of ribosomes and promoting efficient protein synthesis.
What are the parts and functions of tail stock?
Tail stock is a part of lathe ,which is used to support the lengthy job.
Where do gene mutations occur?
on a gene it can occur on the promoter, intron-exon borders, poly-A-tail cleavage sites and on the exon
How does RNA differantiate from DNA if it is double strnded?
the following points differentiates double stranded RNA And DNA : 1. the RNA is loop structure at the end and not that independent strands of the DNA. this loop is calles R-loop, t includes a sequence if repeated poly A tail. 2. it contains poly a tail at the end but DNA doesn't.
What is poly- electrolyte?
Poly-electrolytes are polymers containing ionizable groups, which can dissociate into ions when dissolved in water. They are often used in industries such as water treatment, cosmetics, and pharmaceuticals for their ability to interact with charged particles and molecules. Poly-electrolytes can help with functions like flocculation, dispersion, and stabilization in various applications.
What is the polyadenylation mechanism?
Polyadenylation is a process in which a string of adenine nucleotides is added to the 3' end of a newly synthesized mRNA molecule. This poly(A) tail plays a crucial role in mRNA stability and regulation, as well as in the process of protein translation. The polyadenylation mechanism is mediated by several proteins that recognize specific sequences on the mRNA molecule and facilitate the addition of the poly(A) tail.
