Which of the following is not a control for translation? Methylation of DNA promotor Increase the half-life of mRNA through polyadenylation The binding of MRNA 3' UTR to anterior and posterior microtubules O The polyadenylation and methylation of nRNA
Q: At which level of gene regulation shown in Figure 16.1 does attenuation occur?
A: Attenuation is a process which involves a presence of a stop signal which suggests premature…
Q: Which of the following events would NOT result in ribosomes stalling on an MRNA during translation?…
A: A release factor is a protein that recognizes a stop codon in an mRNA sequence and causes…
Q: put in correct order the steps for initiating translation. 1. Binding of initiator tRNA to mRNA 2.…
A: The translation is the process by which cells make proteins. Here, the mRNA formed by transcription…
Q: Prokaryotes control the expression of their genes mainly at the level of Choose an answer below:…
A: To find The level at which Prokaryotes control the expression of their genes.
Q: 1 2 3 4 5 6 7 8 9 10 11 Translocation RNA polymerase binds in the promoter…
A: transcription is the process of formation of mRNA from the DNA sequence Translation is the process…
Q: Consider this list (below) of steps involved in transcription. These steps are out of order.…
A: Replication, transcription, and translation are used by all cells to keep track of their genetic…
Q: Which of the following is true for translation or protein synthesis in this cell? Select all that…
A: The translation is the process of synthesis of the polypeptide chain that can be taken place in…
Q: Which of the following statements regarding complementary molecules in transcription is false?
A:
Q: Which of the following is a function of the 7-methylguanosine cap?a. Exit of mRNA from the nucleusb.…
A: Ribonucleic acid (RNA) are genetic material usually found in viruses and bacteria that…
Q: Which of the following mechanisms may create multiple mRNAsfrom the same gene?a. posttranslational…
A: Introduction A genome is consisting of transcriptionally active genes. These genes form mRNA as…
Q: Which of the following aspects of transcription is true for bacteria but not Eukaryotes? O…
A: A cell is the basic fundamental unit of a living organism. Living organisms are divided on the basis…
Q: Which of the following is false regarding mRNA processing? O The poly A tail that is found on the 3'…
A: mRNA processing mainly involves 3 steps- splicing addition of 5'end cap and 3'end polytail A…
Q: During elongation (in transcription), RNA polymerase has three prominent channels, or grooves. These…
A: Gene expression is the process by which information from a gene is used in the synthesis of a…
Q: Even though the lac Z, Y, and A structural genes are transcribed as a single polycistronic mRNA,…
A: Lac Z, Y, and A are the genes associated with Lac operon that helps bacteria to utilize lactose in…
Q: Which of the following is true about RNA synthesis?a) Synthesis of RNA is always in the 5’ to 3’…
A: Transcription process leads to the synthesis of RNA. RNA is formed in the presence of RNA…
Q: what is the translation factors(s) most involved in decoding a) IF1,IF2,IF3 b) N-fMet-tRNAfMet…
A: Protein synthesis or translation complete in three step - initiation, elongation and termination.…
Q: Which of the following base sequences is used during transcription? a. Promoter and terminator b.…
A: Transcription is a template of DNA strand that is used in the profitable synthesis of messenger RNA…
Q: Which of the mechanisms below is essential for the correct initiation of translation in prokaryotes?…
A: Translation is the mechanism by which ribosomes in the cytoplasm or endoplasmic reticulum synthesise…
Q: Which of the following is NOT found on a mature eukaryotic mRNA molecule? (Choose all that apply)…
A:
Q: Which of the following is not a control of gene transcription? O The repression of a gene by the…
A: The transcription is the process by which RNA is produced from the DNA template by different…
Q: ATG is the start codon for translating proteins into mRNA and nascent polypeptides are translated…
A:
Q: Which of the following processes degrades mRNA molecules after transcription if they have a sequence…
A: Introduction :- mRNA ( messenger RNA) is synthesized from dsDNA by the process of transcription with…
Q: The DNA is the genetic material that is responsible for the production of RNA transcription process.…
A: mRNA is complementary to template strand of DNA. Codon of mRNA are complementary to anti codon of…
Q: All are stages in transcription EXCEPT: A chain termination. B DNase I activity on RNA…
A: Transcription is the process of conversion of RNA to proteins. It involves 3 steps initiation…
Q: In prokaryotes, control of gene expression usually occurs at the a. splicing of pre-mRNA into…
A: Transcription Cellular process in which RNA is synthesized using DNA as a template known as…
Q: During transcription, the DNA can be modified by the enzyme DNA methyltransferase and will enhance…
A: In DNA 4 types of nitrogenous bases are found. That are adenine (A), guanine (G), thymine (T) and…
Q: Which of the following base sequences is/are used during transcription?a. Promoter and terminatorb.…
A: Answer: Introduction: Transcription involves sequence of DNA to form an RNA. Transcription is done…
Q: Transcription and translation are separate processes in gene expression; however, they have…
A: In living organisms, the genetic instructions for growth, development, functioning, and reproduction…
Q: Which of the following mode of gene regulation CANNOT be regarded as "transcriptional regulation"…
A:
Q: Which of the following statements is true of eukaryotic transcription? Exons are spliced out from…
A: Introduction A genome is consisting of transcriptionally active genes. These genes form RNA…
Q: A eukaryotic mRNA has a mutation that creates a premature STOP signal. Which of the following is…
A: Replication: It is a process of synthesis of a new DNA strand from the previously existing one.…
Q: Which of the following processes includes the removal of introns in the primary RNA transcripts?…
A: The process which is associated with removal of Introns in the primary RNA transcripts is SPLICING.…
Q: Which of the following is LEAST likely to be transcribed into RNA? a) introns O b) promoters &…
A: Transcription is the process of conversion of DNA molecule into messenger RNA.
Q: Which of the following events has nothing to do with the mechanism known as "RNA interference"? Q a…
A: RNA interference means the silencing of the genes or gene expression is suppressed. RNA interference…
Q: In which of the following does nitrogenous base pairing (base complementarity via hydrogen bonds)…
A: Nitrogenous base pairing can include DNA-DNA, DNA-RNA, RNA-RNA pairing. Both DNA and RNA are made up…
Q: During the initiation stage of translation in bacteria, which of the following events occur(s)? a.…
A: The mRNA (messenger ribonucleic acid) contains the genetic information for the protein synthesis. A…
Q: In RNA silencing, siRNAs and miRNAs usually bind to which part of the mRNA molecules that they…
A: Small interfering RNAs or siRNAs and micro RNAs or miRNAs are those RNA segments that don't code for…
Q: you think the process could be regulated? Select all that apply: a) Before transcription begins.…
A: Gene expression is the process by which information from a gene is synthesised. The synthesis of a…
Q: Which of the following observations indicates that a genetic code is non-or A base insertion…
A: The genetic code is a set of rules that living cells use to convert information found in genetic…
Q: Energy that drives translation is provided mainly by______ . a. ATP c. GTP b. amino acids d. all of…
A: Translation is the process of protein synthesis using messenger RNA as a template.
Q: Which of the following precautions are NOT taken to stabilize mRNA? Polyadenylation at the 5'-end. O…
A: Eukaryotic transcription and translation occur at the different places. Transcription occurs at…
Q: Which subunit of RNA Pol I| functions as an assembly platform and regulator of pre- MRNA processing?…
A: In eukaryotes the pre mRNA that is the product of transcription undergoes several steps of…
Q: A regulatory region shows all of the following properties except
A: Ans - a) can be located in an exon. Regulatory regions cannot be present at the exon portion of a…
Q: Which of the following statements about gene expression is false?a) More than one RNA polymerase can…
A: DNA is a polynucleotide molecule, is a genetic material for most of the species on earth. The DNA…
Q: What factors are utilized by the cell in order to recognize the stop codon and disassemble the…
A: Translation is the process of synthesizing protein from mRNA and catalytic environment is provided…
Q: Match the steps of transcription and translation to the location they take place within a eukaryotic…
A: Transcription is the process of making an RNA copy of a gene sequence. This copy is called mRNA. The…
Q: Translocation during translation requires energy from the hydrolysis of Select one: O a. GTP O b.…
A: Translation is the process of formation of proteins from amino acids that are synthesized by the…
Q: The promoter region of a gene consists of a TATA box. What is the significance of this region? It is…
A: The gene expression is also known as the transcription process by which RNA is produced from DNA…
Q: Which of the following sequences would most likely be the site of the initiation of transcription?…
A: Transcription is carried out by RNA polymerase II. Transcription factor for polymerase II D(TFIID)…
Q: This type of mutation, where one nucleotide was replaced for another, is called a point mutation.…
A: DNA and RNA are are nucleic acids present in the organisms. DNA is the deoxy ribose nucleic acid…
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- Given the following mRNA, write the double-stranded DNA segment that served as the template. Indicate both the 5 and the 3 ends of both DNA strands. Also write out the tRNA anticodons and the amino acid sequence of the protein encoded by the mRNA message. DNA: mRNA: 5-CCGCAUGUUCAGUGGGCGUAAACACUGA-3 protein: tRNA:Arrange the processes involved from Transcription to Translation. RNA polymerase binds in the promoter regions Polypeptide cleavage Release of methionine and conversion to active protein Translocation Appearance of UAG codon Attachment of the mRNA to ribosome with AUG in the P site DNA rejoins Covalent bonding of AA to the tRNA Elongation of RNA transcript Binding of Rho factor Partial unwinding of DNAWhich of the following processes includes the removal of introns in the primary RNA transcripts? O post-translational modification O2ost transcriptional modification O translation transcription
- Which of the following characterize RNA polymerase Il transcriptional termination in eukaryotes? Endonuclease cleavage of the RNA transcript and 5' to 3' exonuclease activity a protein known as Ratl None of the provided answers, transcriptional termination occurs in prokaryotes. Recognition of the transcriptional stop codon by a release factor. Hairpin structure formation on the newly synthesized RNA molecule which disrupts the DNA-RNA hybrid at a poly-U RNA sequence Binding of the Rho protein.Part A Which of the following processes is represented in the figure below? A 5' ÀÚGÚÚČĞĞŮ 3' AAG UGA UUC RF1 RF2 transcription initiation translation initiation translation elongation transcription elongation translation termination O O OWhich of the following changes may cause a gene product to not loose functión? O Prevent or reduce transcription of the gene by deletion or alteration of the promoter O Delete or change the AUG translation initiation codon Repetitive sequence in the intronic region Disrupt the gene by a chromosomal rearrangement
- Which of the following is not a control of gene transcription? The repression of a gene by the binding of a transcription factor to a silencer region Methylation of promotor sequences The stabilization of the initiation complex by transcription factors to allow RNA polymerase to begin replication The conversion of heterochromatin to euchromatin through histone demethylation The binding of an inhibitory protein to the 3' UTRWhich step in the processing of heterogeneous nuclear RNA (in eukaryotes), into mature messenger RNA, is required for proper attachment of the small ribosomal subunit to the mature mRNA molecule? polyadenylation at the 3’ end 7-methyl-guanosine capping at the 5’ end excision of introns formation of quadruple-stranded DNA splicing of exonsWhich of these statements is true about the elongation step of translation? The growing polypeptide chain is transferred from the P site RNA to the A site RNA OThe MRNA moves through the ribosome OThe new amino acid is transferred from the A site tRNA to the growing polypeptide chain in the P site The small ribosomal subunit detaches and reattaches every time a new amino acid is incorporated into the growing polypeptide
- EF-Ts factor regenerates EF-Tu/GDP from EF-Tu/GTP for the next round of elongation cycle in prokaryotic translation. The sigma subunit of RNA polymerase is replaced by NusA to recognise the promoter region of a gene. The -10 and -35 sequences in E. coli DNA are referred to as untranslated region. In human, translation begins before transcription of an mRNA completes. this statement true or false.Arrange the processes involved from Transcription to Translation. 1 2 3 4 5 6 7 8 9 10 11 Translocation RNA polymerase binds in the promoter regions Elongation of RNA transcript Polypeptide cleavage DNA rejoins Partial unwinding of DNA Attachment of the mRNA to ribosome with AUG in the P site Binding of Rho factor Appearance of UAG codon Covalent bonding of AA to the tRNA Release of methionine and conversion to active proteinWhich modification of eukaryotic mRNA is likely absent if the mRNA can leave the nucleus but cannot bind the ribosome? Group of answer choices splicing together of exons removal of introns 3′ polyadenylated tail 7-methylguanosine cap on the 5′ end RNA editing