7. The diagram below represents the full mRNA transcribed from the trp operon under conditions of lowtryptophan. Grey blocks indicate protein coding sequences. Annotate the diagram by indicating theexpected positions of the elements listed below, add more detail to the diagram if required to allowyou to accurately annotate it. Use only the letters A - H (e.g. "A" for structural genes). Where a labelrefers to a region, you must use a bracket to indicate the extent of the region in conjunction withthe specific letter.A. Structural genesB. Leader peptideC. Two adjacent trp codonsD. 5' UTR and 3' UTRE. Ribosome binding siteF. Site of potential transcription termination from attenuationG. Regions with sequence complementarityH. Stretch of Us5'EDC BA3'

1. **Structural genes (A)**: These genes are part of the trp operon and are responsible for encoding…

Answered: 7. The diagram below represents the…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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2.) What would be the sequence of the bases in the messenger RNA in a 5' to 3' direction? 3.) By using three letter codes what would be the sequence of amino acids in the polypeptide generated from the mRNA. In you answer separate each amino acid with only a single dash. 4.) By using the letter codes what would be the sequence of amino acids in the polypeptide generated from the mRNA. In you answer separate each amino acid with only a single dash.
Match the regulatory RNA to each of the following descriptions. Regulatory RNA that prevents transcription by recruiting DNMT enzymes Regulatory RNA that prevents translation by acting either in cis- or trans- but not by binding RISC Regulatory RNA found only in eukaryotes that is not perfectly complementary to the target RNA [Choose ] [Choose ] [Choose ] antisense RNA siRNA IncRNA miRNA riboswitch <
1. Draw your own version of the Central Dogma below, being sure to include the terms translation, transcription and synthesis. 2. Fill in the following chart regarding the Central Dogma: Transcription Translation Goal (outcome) Required molecules Location where it Occurs Post-event modifications 3. Identify the three main types of RNA and explain the function of each. 4. What is the genetic code and what is it used for?
The following diagram illustrates a step in the process of translation. Identify the following elements on the diagram. a. A, P, and E sites
1. Given the DNA sequence below: 5’-ACATGTGTACAGGCTTTGTCTGAATGGCTT-3’ 3’-TGTACACATGTCCGAAACAGACTTACCGAA-5’ Translate the mRNA. (Using the 3-letter code for amino acids, write the primary structure of the peptide that will be produced.) 2. Given the DNA sequence below: 5’-ACATGTGTACAGGCTTTGTCTGAATGGCTT-3’ 3’-TGTACACATGTCCGAAACAGACTTACCGAA-5’ Translate the mRNA. (Using the 3-letter code for amino acids, write the primary structure of the peptide that will be produced.)
G-LO37 Identify the consequences of mutations in different regions of a gene. The image below represents two strands of DNA: the top one corresponds to a healthy individual, and the bottom one of a sibling potentially affected with a disease due to genetic mutations Mutation 1 A + с AUA ACA AUG Met ACG GUU GUC GUA GUG Val GCU GCC GCA GCG It will result in mRNA produced Mutation 2 It will result in no mRNA produced 500 AGG The protein produced will be normal 500 + GGG Ala The Select all that applies about Mutation 1 (position -6): AAGLys AGA Arg GGU GGC GGA GGG GAC Asp GAA Glu GAGJ Gly The protein produced will have a different amino acid 1235 ATT 1235 TTT 070 2070 ALL The mutation occurs in the promoter region, and this means that the mRNA cannot be produced 1535 The mRNA and protein will both be normal because the mutation occurs outside of the consensus region of the promoter G 1535 с Affected
36.Start with two exons and an intervening intron. Include the cap and poly-A tail in your starting pre-mRNA. Show 2’-OH, 3’-OH, O-P-O phosphodiester bonds for the two transesterification reactions that splice exon 1 and exon 2. Be sure to include the branchpoint A and intron consensus sequences. You will need to show where the incoming -OH attacks the O-P-O bond to allow correct splicing in the lariat and between exons. Make your arrows precise. Show the lariat with the consensus sequences. Whenever possible, show 5’ and 3’ ends. Explain the fate of the lariat after it forms?
The following image depicts a short stretch of sequence associated with a gene. Which of the following is true?
4) Shown below is a schematic drawing of a gene, with the transcription unit divided into numbered regions. The arrows indicate transcription initiation sites, "D" indicates a splice donor site, "A" indicates a splice acceptor site, and "An" indicates a polyadenylation signal. Indicate all the possible mRNAs that could be produced from this gene (you don't need to draw new schematics - just list the regions that would be included in each mRNA by number)
1. (a) By binding one L-tryptophan molecule/monomer, the trp repressor binds to DNA to sup- press synthesis of L-tryptophan in E. coli. Below is the amino acid sequence of the helix - reverse turn - helix region of the trp repressor that binds to DNA compared to the sequence of the corresponding DNA binding motif of the Prl protein. A diagram of the trp repressor dimer is also shown. Trp Prl Trp Prl 80 -Gly-Glu-Met-Ser-Gln-Arg-Glu-Leu-Lys-Asn-Glu-Leu-Gly-Ala-Gly-Ile- -Ser-Glu-Glu-Ala-Lys-Glu-Glu-Leu-Ala-Lys-Lys-Cys-Gly-Ile-Thr-Val- trp helix 5 70 trp helix 4 Prl helix 80 Prl helix Ala-Thr-Ile-Thr-Arg-Gly-Ser-Asn-Ser-Leu-Lys-Ala-Ala- Ser-Gln-Val-Ser-Asn-Trp-Phe-Gly-Asn-Lys-Arg-Ile-Arg- reverse turn 90 Comparing the two protein sequences above, identify all amino acid pairs that differ in electrostatic charge due to proton dissociable groups (assume pH 7). Indicate the charge of both residues for each such pair. (b) Circle the pair of residues for which the electrostatic charge due to…
You are studying the effect of various mutations in this gene. The AG sequence (3’splice site) that is within intron 2 [adjacent to Exon 3] has been changed to a CC. What would the resulting mRNA transcript look like? Draw a similar diagram as above and indicate the nucleotide lengths on the mRNA transcript.
The DNA region below includes the lac operon. Identify all parts (by letter) that encode PROTEINS? P O Y A 19°t

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