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RNA Polymerase does not have a 3' to 5' exonuclease activity AND it doesnt need one. (true or false, explain) [i think it's false. i came across this information, but im not sure if i am reading it correctly. The 3'-to-5' exonucleolytic decay and processing of a variety of RNAs is an essential feature of RNA metabolism in all cells. The 3'-5' exonucleases, and in particular the exosome, are involved in a large number of pathways from 3' processing of rRNA, snRNA and snoRNA, to decay of mRNAs and mRNA surveillance. The potent enzymes performing these reactions are regulated to prevent processing of inappropriate substrates while mature RNA molecules exhibit several attributes that enable them to evade 3'-5' attack. How does an enzyme perform such selective activities on different substrates? The goal of this review is to provide an overview and perspectives of available data on the underlying principles for the recognition of RNA substrates by 3'-to-5' exonucleases. any input is much appreciated.
An arginine residue in the matrix side proton channel of a subunit of ATP synthase is near the aspartate residue in the c ring subunit.
You have read that inorganic fertilizers contribute to water pollution and would like to make a switch from inorganic fertilizers to organic compost in your vegetable garden.
Some wines are marketed as "sparkling" wines. Sparkling wines are considered so because of a dissolved gas that makes them fizzy. Concern what you know about the procedure of respiration to explain the type and origin of this gas.
Discuss how would a disease or disorder that interferes with acetylcholine receptors at neuromuscular junction affect muscle strength?
As Ben jumped on his bike and headed for the fresh water lake, his mom called after him, "Don't swim if we have an electrical storm-it looks threatening". That was a valid request. Why with reason.
How to write a discussion section for my electroencephalogram (EEG) lab report when all charts and data are already present.
Give an example of an area of research and science which requires a code of ethics when suggesting your modifications to the scientific method.
Explain why are ripe fruits often colorful, fragrant and sweet? Determine the difference between pollination and fertilization in flowering plants?
You need to prepare medium for your culture cells. Your salt solution is 10x concentration, dilute to 1x for use. You also need to add fetal bovine serum for a final concentration of 10%. What would you add of each for the correct concentration in..
In a species of plant, two genes control flower color. The red allele is dominant to the white allele; the color producing allele is dominant to the non-color producing allele.
What is the complementary RNA strand that is created. Assuming this sequence is within an exon and in-frame, what would be the polypeptide formed from it?
The pattern of coat coloration in dogs is determined by the alleles of a single gene, with S being dominant over s. Black coat color is determined by the dominant allele A of a second gene, and homozygous recessive aa animals are tan.
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