Q. Which enzyme unwinds the DNA?

View solution

Q. More than one RNA polymerase can attach to the promoter site.

View solution

Q. The RNA polymerase engaged in transcription is ____________

View solution

Q. Messenger RNAs are found in the ________________

View solution

Q. Eukaryotic mRNAs have special modifications, not present in prokaryotic mRNAs.

View solution

Q. Genes with intervening (non-coding) sequences are called ___________________

View solution

Q. Which technique was used to find the relationship between 15S and 10S globin RNAs?

View solution

Q. Which of the following prevents the digestion of mRNA by exonucleases?

View solution

Q. When was it first discovered that RNA molecules are capable of catalyzing chemical reactions?

View solution

Q. The studies that led to discovery of posttranscriptional gene silencing phenomena were performed on ____________

View solution

Q. The phenomenon of RNA interference was discovered using the organism ___________________

View solution

Q. RNA interference is evolved as a genetic immune system.

View solution

Q. Dicer converts double-stranded RNAs into _______________

View solution

Q. Which family of proteins plays a key role in gene silencing pathways?

View solution

Q. RNA interference is not observed in vertebrates.

View solution

Q. What takes place when siRNAs are used in place of dsRNA in mammalian cells?

View solution

Q. The first RNAi therapeutics was aimed at treating ______________________

View solution

Q. Which of the following RNAs are highly conserved?

View solution

Q. Micro RNAs participate in ______________

View solution

Q. Drosha is an ___________________

View solution