Which type of snoRNA causes an rRNA to be methylated?

Q: Which is the transcription is catalysed by RNA polymerase?

A: Transcription is a process in which DNA sequence of a gene is copied into RNA and for this DNA helix…

Q: What could be the effect  of a base substitution which prevents post-transcriptional removal of an…

A: A base substitution is a genetic mutation where a single nucleotide base is changed in the sequence…

Q: What is the main difference between Sirna and miRNA?

A: RNA (ribonucleic acid) is a polymer of nucleotides and is composed of a pentose sugar, a nitrogen…

Q: What enzymes are involved in production of both miRNA and siRNA?

A: RNA is one of the major genetic materials present in living and non-living (such as viruses) systems…

Q: What are the 3 ways in which sRNAs regulate the translation of mRNAs?

A: Gene regulation involves the expression of certain genes at a time out of all the genes present in…

Q: 1a) What amino acid would be coded for by the codon 5'AGG3'?

A: Codons are the trinucleotide sequences of DNA or RNA that specifies amino acids. There are 20 amino…

Q: Explain the function of 16S rRNA during initiation of translation in prokaryotes.

A: 16S rRNA(16S ribosomal RNA) is a component of prokaryotic ribosome 30S subunit (small subunit). S…

Q: How does miRNA act similar to RNA¡ and does the process of the mechanism differ?

A: RNAi is the biological process  in which short RNA molecules suppresses gene expression in a…

Q: What are Trna-THE ADAPTER MOLECULES?

A: RNA (ribonucleic acid) is one of the nucleotide chains, primarily composed of the nitrogen bases…

Q: Together with a specific set of proteins, snoRNAs direct the methylationor pseudouridylation of…

A: The metabolically stable ribonucleic acids (RNA) present in the nucleolus is known as small…

Q: Why is TBP considered to be a universal transcription factor?

A: The TATA-binding protein is a general transcription factor that binds specifically to a DNA sequence…

Q: What is the function of the promoter

A: Promoter is the site on DNA where proteins such as RNA polymerase and some transcrption factors…

Q: How do miRNAs and siRNAs target RNAs for destruction?

A: miRNAs (microRNAs) and siRNAs (small interfering RNAs) are noncoding RNAs that play important roles…

Q: Why do we convert RNA to cDNA?

A: RNA (ribonucleic acid) is a polymeric molecule and essential in different biological functions such…

Q: Why are miRNAs called noncoding RNAs? Explain how they participate in gene regulation.

A: Answer- miRNA are non coding RNA because it does not code for any amino acid to form proteins.

Q: the product in a riboprobe transcription reaction is called

A: Riboprobe can be generated by using a polymerase chain reaction (PCR) more quickly and accurately.…

Q: 1)Which of the following would represent mRNA for the above minigene? a.) AUG CGC GUU CCC GUG UAA…

A: The mRNA is synthesized based on the template strand of the DNA, which is complementary to the…

Q: An rRNA binds to a snoRNP that contains a C/D box snoRNA.What type of covalent modification would…

A: Small nucleolar RNAs (SnoRNAs) are metabolically stable RNAs that are abundantly present in…

Q: What is the purpose of small nucleolar RNAs (snoRNAs) ?

A: Small nucleolar RNAs (snoRNAs) are a category of tiny RNA molecules that primarily guide chemical…

Q: What is the structure and function of transfer RNA

A: Ribonucleic acid (RNA) is a nucleic acid that has structural similarities to DNA and is found in all…

Q: What is the RNA template that comes from it ? 5’-G-C-C-A-T

A: The RNA template is the protein synthesis template or the type of RNA that transports information…

Q: Do prokaryotes have transposable elements?

A: The prokaryotes are characterized by the absence of a well-defined nucleus and membrane-bound cell…

Q: There are 3 RNA polymerases in eukaryotes. Write a sentence about the function of each. Which is…

A: RNA polymerase enzyme synthesizes RNA from template of DNA.

Q: Explain how snoRNAs direct covalent modifications to rRNAs.

A: Small nucleolae RNAs  (snoRNAs)  are class of small RNA That are primarily responsible for the…

Q: What is the function of the sigma subunit in RNA polymerase?

A: RNA polymerase is the chief enzyme, which is involved in copying the coded genetic information from…

Q: Explain how transcription is initiated in eukaryotic cells.

A: Eukaryotes are those organisms whose cells have a nucleus that is enclosed within a nuclear…

Q: Explain how ncRNA uses complementary base pairing with RNA to affect gene expression.

A: Gene expression is defined as the process by which the information stored or contained in the DNA is…

Q: What is the difference between how miRNA stops gene expression and how siRNA does?

A: The siRNA is obtained from the double stranded RNA after splicing of cutting by Dicer enzyme. But…

Q: What types of proteins are known to be translated using an alternate start codon?

A: The start codon is the first codon of a messenger RNA transcript translated by a ribosome.

Q: What is allosteric repressor ?

A: Biology terms are fundamental concepts and terms used in biology, which is the study of life and…