Q: Which of the following may be found in both a genomic and CDNA library? intron sequence promoter…
A: A genomic library contains DNA fragments that represents the complete genome of an organism. On the…
Q: Prokaryotic cells can have more than one functional start codon per MRNA because O prokaryotic…
A: Start codon is present as the first codon which initiates the translation process. Start codon is…
Q: initial
A: A nucleotide sequence contains both coding and non-coding regions. The coding regions are called…
Q: The RNA complement of a protein coding gene is what? A) mRNA B) rRNA C) snRNA D) tRNA
A: Explanation: The mRNA specifies, in triplet code, the amino acid sequence of proteins
Q: In Eukaryotes the following are areas of the gene that contain amino acid sequences information A)…
A: Amino acid sequences means the production of proteins. It is the DNA which dictates the formation of…
Q: Introns were discovered O MRNA to DNA O protein to DNA O MRNA to protein none of the above
A: Ans- mRNA to DNA.
Q: Which of the following eukaryotic MRNA transcripts would NOT be able to be translated? Select ALL…
A: Translation It is defined as the process of formation of proteins by the ribosomes present in the…
Q: The synthesis of multiple different protein isoforms from just one gene in eukaryotic cells would…
A: DNA( deoxyribonucleic acid) is the double-stranded molecule that is the genetic material in most…
Q: Which of the following genes have internal promoter elements? 5S FRNA MRNA snRNA None of the above
A: Promoter : the sequence that are important in the initiation of transcription of a transcription…
Q: Which of the following introns have self-splicing activity?a) Group I and group IIb) Group II and…
A: An intron is a nucleotide sequence present within a gene which is removed by RNA splicing before…
Q: All of the following are characteristics of eukaryotic geneexpression excepta) 5' cap is added to…
A: a) 5' cap is added to the mRNA is a characteristic of eukaryotic geneexpressionb) a poly A tail is…
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: Which of the following mechanisms do prokaryotes use to produce different prdtein products from a…
A: In prokaryotes, the genes encoding proteins of related functions are transcribed under the control…
Q: Which of the following is an intron and intergenic coded long transcripts, processed into stem and…
A: RNA (ribonucleic acid) is transcribed from DNA. It is also a genetic material in some…
Q: In prokaryotes, the sigma factor recognizes base sequences in the . which facilitates RNA polymerase…
A: The major step of initiation of RNA synthesis is the facilitation of RNA polymerase binding. This is…
Q: The eukaryotic metallothionein gene promoter consists of all EXCEPT: (A) MRE (в) GC Box c) GRE D…
A: Introduction Metallothionein is a protein that has a high affinity toward binding heavy metal ions,…
Q: Which of the following is/are typically removed from pre-mRNA during nuclear processing in…
A: The various steps that are generally observed during processing of pre-mRNA are- Addition of a 5'…
Q: Describe the most likely effect of genetic variations (beginning as mutations) in the following…
A: Genetic variations are caused due to several mutation in exposure to the chemicals and radiations.
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: 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: A eukaryotic gene typically has all of the following features except O A5' UTR An operator O A…
A: Eukaryotic genes are regions of DNA that act as templates for the production of RNA by RNA…
Q: Part of genes that are cut out of mRNA Group of answer choices Exons Small interfering RNAs Promoter…
A: Introduction Ribonucleic acid is a polymeric molecule that serves a range of roles in biology,…
Q: Is the fox operon inducible or repressible?
A: Regulatory gene in the operon produces a protein which can act as either inhibitor or activator of…
Q: A codon is a triplet of bases which codes for an amino acid. Exons are intervening sequence that are…
A: These are true or false statements. Explanations are given as well.
Q: In eukaryotes, the mRNA is usually smaller than the gene, this is due to a. splicing b.…
A: Messenger RNA (mRNA) is a molecule found in cells that transports information from DNA in the…
Q: Which of the following is true of phase variation? A) O It is triggered by stalled ribosomes. B) O…
A: Phase variation is a feature seen in Salmonella, in which it can withstand unfavorable environmental…
Q: Which of the following is NOT a regulatory DNA sequence? Origin Promoter Repressor
A: A regulatory sequence is defined as a DNA sequence capable enough to affect the expression of…
Q: Splicing involves excision of introns excision of exons addition of exons addition of introns
A: An intron is a portion of a gene that does not code for amino acids.The parts of the gene sequence…
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 is true regarding the human genome? SİRNA prevents LINE element expansion by…
A: Human genome is composed of coding and noncoding DNA sequences and is 3.5 billion base pairs long.
Q: Which of the following is true of TATA boxes
A: Transcription is the process of synthesis of mRNA using DNA as a template. The process uses DNA…
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: If you were to hybridize a eukaryotic gene to its corresponding mRNA, the two molecules would not…
A: The transcription is the process in which the mRNA copied information from DNA for protein…
Q: In eukaryotes the primary RNA transcript is converted to mRNA by Adding a cap Adding a tail to the…
A: Transcription is a process of formation of mRNA from DNA but in eukaryotic organisms, monocistronic…
Q: A cDNA clone contains (a) introns (b) exons (c) anticodons (d) a and b (e) b and c
A: A gene is the essential physical and functional unit of heredity. They are comprised of DNA…
Q: Describe the similarities and differences between prokaryotic and eukaryotic promoter sequences.
A: The transcription is the production of RNA from the DNA template that is the first step of gene…
Q: When sequencing the genome of an organism and looking for potential genes, a sequence of DNA that…
A: An open reading frame (ORF) is the reading frame that contains the sequence of DNA in the form of…
Q: Group I and II introns are present in the following classes of RNAS. MRNAS O miRNAS SİRNAS TRNAS
A: Mobile introns are defined as the intervening sequences. These sequences are the ones that are…
Q: introns: A)are parts of the new strand replaced with DNA nucleotides during replication B)Are joined…
A: Genes coding for proteins are present in cellular DNA. Gene expression for synthesis of proteins…
Q: Which of the following would be present in a genome but not the transcriptome? (Select all) A)…
A: A transcriptome is the complete range of messenger RNA, or mRNA, molecules displayed by an organism.…
Q: Base substitutions in a gene exon might not result in a change in the gene product because…
A: More than one codon specifies a single amino acid. That is why the protein sequence might not get…
Q: The specific sequence component of the bacterial promoter located 10 base pairs upstream of the a…
A: A promoter is a region of DNA where transcription of a gene is initiated. A promoter is a regulatory…
Q: Which of the following is not a key difference between bacteria and eukaryotes? a. Initiation of…
A: Bacteria are microscopic single-celled prokaryotes that thrive in diverse environmental conditions.…
Q: Identify the correct statement about introns (also called intervening sequences, or intragenic…
A: An intron also called as intragenic region is any nucleotide sequence within a gene that is removed…
Q: The complete set of RNA transcripts present in a cell under various conditions is called the: a)…
A: Different molecules present inside a cell can be studied by different approaches.
Q: Here is the sequence of a portion of a bacterial gene. The template strand is on the bottom:…
A: DNA consists of two intertwined polynucleotide strands: coding strand and template strand. The…
Q: Which of the following changes may cause a gene product to not loose functión? Prevent or reduce…
A: Introns and exons are found in the mRNA transcripts and introns are removed via the RNA splicing…
Q: What is the correct order of parts in a eukaryotic gene? A. promoter, intron, terminator, exon B.…
A: Gene can be defined as a specific sequence of DNA that carries information and codes for a…
Q: Which feature of promoters can be found in both prokaryotes and eukaryotes? a. GC box b. TATA box c.…
A: Transcription is a process by which the information a strand of DNA is copied into a new molecule of…
Introns are:
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Considered "non-coding" regions |
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Located in the promoter regions of genes |
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Found in prokaryotes |
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A and B |
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A, B, and C |
Step by step
Solved in 2 steps
- Portions of eukaryotic mRNA sequence that are removed during RNA processing are . a. exons b. caps c. poly-A tails d. intronsWhich of the following is characteristic of genes and gene regulation in both bacteria and eukaryotes? (a) promoters (b) non-coding DNA within coding sequences (c) enhancers (d) operons (e) DNA located in a nucleusIntrons are a. regions in the initial transcript not present in the protein b. regions in the initial transcript present in the protein c. only present in prokaryotes d. present in every gene, both in prokaryotes and eukaryotes
- Which of the following statements best describes the promoter of a protein-coding gene? A. The promoter is a protein that recruits RNA polymerase. B. The promoter is part of the RNA molecule itself. C. The promoter is a site found on RNA polymerase. D. The promoter contains the AUG start codon. E. The promoter is a nontranscribed region of a gene.In Eukaryotes the following are areas of the gene that contain amino acid sequences information A) Exon’s B) Introns C) Activators D) PromotersIn eukaryotes, which of the following statements is correct with regard to introns and exons? Mature mRNA contains a mix of introns and exons Introns in DNA are removed by spliceosomes Failure to remove introns can lead to production of faulty protein Exons are repeating sequences typically found at the end of a gene Introns are transcribed from promoter sequence
- All of the following are transcribed directly from DNA except: A. proteins B. rRNA c. tRNA d. introns e. exonsIn RNA silencing, siRNAs and miRNAs usually bind to which part of the mRNA molecules that they control? a. 5′ UTR b. Coding region c. 3′ poly(A) tail d. 3′ UTRWhich of the following is NOT a DIFFERENCE between prokaryotic and eukaryotic gene regulation? A. prokaryotic mRNA is NOT capped by a 5’mG after transcription, but eukaryotic mRNA is so capped B. eukaryotic mRNAs are monocistronic (encode single proteins), whereas prokaryotic mRNAs are polycistronic (encode multiple proteins) C. prokaryotic mRNA is not modified by polyadenylation after transcription, but eukaryotic mRNA is so modified. D. translation of eukaryotic mRNA into protein is not coupled to transcription of the mRNA from DNA, but in prokaryotes it is so coupled E. prokaryotic translation and eukaryotic translation use different genetic codes to translate mRNA codons into amino acid sequences of proteins
- Which feature of promoters can be found in both prokaryotes and eukaryotes? a. GC box b. TATA box c. octamer box d. -10 and -35 sequencesThe eukaryotic metallothionein gene promoter consists of all EXCEPT: a. GRE b. MRE c. GC Box d. Pribnow box. In transcription, the location where RNA polymerase initially attaches to a gene is called the (a) promoter (b) intron (c) exon (d) 3’ UTR (e) 5’ UTR
