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- To determine the reproducibility of mutation fre-quency measurements, you do the following experiment.You inoculate each of 10 cultures with a single E. coli bac-terium, allow the cultures to grow until each contains 106cells, and then measure the number of cells in each culturethat carry a mutation in your gene of interest. You were sosurprised by the initial results that you repeated the experi-ment to confirm them. Both sets of results display the sameextreme variability, as shown in Table Q5–1. Assuming thatthe rate of mutation is constant, why do you suppose thereis so much variation in the frequencies of mutant cells indifferent cultures?As a technique for detecting genetic variations, RFLP has substantial drawbacks. Name one such drawback, explain why it is unique to RFLP analysis with specific reference to the technique, and discuss why DNA sequencing overcomes this drawback. Please leave the link for any sources used. Thanks!Titled “Techniques utilized to generate a genetically engineered organism and confirm gene disruption.” a. In the table, indicate with an "x" if the reagent or technique applies to DNA, RNA, and/or protein. You can have more than one "x" in each row or none at all.
- a.) wanting to clone gene Z into pVector, the gene is amplified by PCR and restriction sites are added to the flanking ends. without realizing that the antibotic resistant gen )tetR) had a Sal1 site, you decide to add EcoR1 and Sal1 recofnition sequencen into the 12-nucleotide primers. Write the sequence of the 2 primers, noting the 5' and 3' ends?You have isolated a cDNA clone encoding a protein of interest in a higher eukaryote. This cDNA clone is not cleaved by restriction endonuclease EcoRI. When this cDNA is used as a radioactive probe for blot hybridization analysis of EcoRI-digested genomic DNA, three radioactive bands are seen on the resulting Southern blot. Does this result indicate that the genome of the eukaryote in question contains three copies of the gene encoding the protein of interest? Explain.Microarray hybridization is used mostly in transcript profiling or assaying DNA variation. Although the technology for establishing DNA microarrays was developed only recently, numerous applications have already been developed and their impact on future biomedical research and diagnostic approaches is expected to be profound. Give some examples of the practical use of this technique.
- The recognition sequence for the restriction enzyme Sau3AIis GATC; in the recognition sequence forthe enzyme BamHI—GGATCC—the four internal bases areidentical to the Sau3AI sequence. The single-stranded endsproduced by the two enzymes are identical. Suppose youhave a cloning vector that contains a BamHI recognitionsequence and you also have foreign DNA that was cut withSau3AI. Can this DNA be ligated into the BamHI site of the vector,and if so, why?Given the DNA sequence of the restriction enzyme: gi|6329444|dbj|AB034757.1| Hynobius retardatus mRNA for larval beta-globin, complete cds GCAGAATCTGACTCAAGAAATCCCTCCTCACCCAACACCACCAGCAGCCATGGTTCACTGGACAGCAGAGGAGAAGGCAGCCATCAGCTCTGTGTGGAAGCAGGTGAACGTGGAGAGCGATGGACAGGAGGCCCTGGCCAGGTTGCTGATCGTCTACCCCTGGACCCAGAGATACTTCAGCTCTTTTGGGGACCTGTCGAGCCCAGCTGCCATTTGTGCCAACGCCAAGGTCCGTGCCCATGGCAAGAAGGTCCTGTCCGCCCTGGGAGCCGGCGCCAACCACCTGGATGACATCAAAGGCAACTTTGCTGATCTGAGCAAGCTTCACGCAGACACACTCCATGTGGACCCCAATAACTTCCTGCTCCTGGCAAACTGCCTGGTGATCGTCTTGGCCCGCAAGCTGGGAGCCGCCTTCAACCCTCAAGTCCATGCGGCCTGGGAGAAGTTCCTGGCCGTCTCCACCGCGGCTCTGTCCAGAAACTACCACTAGAGACTGGTCTTTGGGTTTAATTCTGTGAACGTCCCTGAGACAAATGATCTTTCAATGTGTAAACCTGTCATTACATCAATAAAGAGACATCTAACAAAAAAAAAAAAAAAAAAAAAAAAAA Identify two blunt-end cutters Identify two sticky-end cutters. For each, Provide the sequence of the Restriction enzyme, Highlight using a specific color where the DNA sequence where the restriction enzyme will cut the DNA Indicate the…1. You have the plasmid pUC18/19, which is a circular plasmid that consists of 2686 bp. What would the number of and length of the fragments be if you cut the plasmid with the following restriction enzymes or combination of enzymes? Give a schematic representation of the digestions. a. PscI & GsuI b. ScaI, PdmI & BsaXI c. ScaI, SspI & EheI 2. You have determined that the amplicon you want to clone has enzyme restriction sites for HindIII and EcoRI. After investigation you have seen that the pUC18/19 plasmid also have these enzyme restriction sites in its multiple cloning site (MCS on map above). After enzyme digestion your amplicon is 854 bp long. a. What length will the recombinant plasmid be after you have inserted your amplicon? Show your calculation. b. In the amplicon insert you have an enzyme restriction site for NdeI at 500 bp. If you digest the recombinant plasmid with this enzyme what length will the fragments be?
- Pros and Cons of CRISPR-CAS9 please explain it in a simple languageE. coli K12 genomic DNA (expected PCR product was 3075bp). For expression the gene was cloned into the expression plasmid pET28a (Novagen), where expression is under control of the inducible T7 promoter.Give information about the enzyme being purified, its expression in E. coli and the property being used for its purification. please provide the references for the answer.For Pet41 (choose Pet41 a, b, or c as provided in the image) how would you design the primers (forward and reverse) for the following gene of interest and what restriction enzymes would be used (as shown in the image)? Be sure to explain and elaborate on why selected and how. Gene of Interest: atgggc gacaaaggga 241 cccgagtgtt caagaaggcc agtccaaatg gaaagctcac cgtctacctg ggaaagcggg 301 actttgtgga ccacatcgac ctcgtggacc ctgtggatgg tgtggtcctg gtggatcctg 361 agtatctcaa agagcggaga gtctatgtga cgctgacctg cgccttccgc tatggccggg 421 aggacctgga tgtcctgggc ctgacctttc gcaaggacct gtttgtggcc aacgtacagt 481 cgttcccacc ggcccccgag gacaagaagc ccctgacgcg gctgcaggaa cgcctcatca 541 agaagctggg cgagcacgct taccctttca cctttgagat ccctccaaac cttccatgtt 601 ctgtgacact gcagccgggg cccgaagaca cggggaaggc ttgcggtgtg gactatgaag 661 tcaaagcctt ctgcgcggag aatttggagg agaagatcca caagcggaat tctgtgcgtc 721 tggtcatccg gaaggttcag tatgccccag agaggcctgg cccccagccc acagccgaga 781 ccaccaggca gttcctcatg tcggacaagc ccttgcacct…