1. Use the plasmid shown to complete the table. # of Fragment Sizes Restriction Enzyme Used Fragments Produced EcoRI only Smal only EcoRI and 1790 bp 0/2800 bp 1680 bp 550 bp 700 bp Smal EcoRD
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- 83. A plasmid is cut with the restriction enzyme BamH1 giving fragments of 3000 and 1000 bp as identifiedby gel electrophoresis and ethidium bromide staining. In a seperate restriction digest the enzyme EcoR1gives fragments of 1000 and 1500 bp that are apparent on the agarose gel. What is the most likely size ofthe plasmid in bp? Explain why it's 4000Give a major disadvantage of RAPD as a DNA marker. Provide one (1) recommendation onhow to address this limitation. Briefly discuss. (in 5 sentences only)DNA samples were then run in agarose gel electrophoresis against a molecular standard of 100 bp and 1Kb Ladder. The figure is analyzed and labelled manually and recorded with the used product ladder information. Figure 2A is labeled with corresponding lane numbers and with M1 and M2 as markers used. Write an interpretation of the documented gelresult (Figure 2). Note: Agarose gel of isolated DNA (A) from plant (lanes 1 & 2), chicken (lanes 3 & 4), and E. coli (lanes 5 & 6) with Vivantis* product information of 100bp (B) and 1kb ladders (C).
- During DNA profiling, DNA nucleotides hybridized with probe can be detected througha) Electrophoresisb) Polymerase chain reactionc) Autoradiographyd) HybridomaPlease answer the following using the experiment data below. Provide the formulas or methods used for calculations of each. Number of colonies on LB/amp/ara plate = Micrograms of DNA spread on the plates = Transformation efficiency = DNA plasmid concentration: 0.08 μg/μl 250 μl CaCl transformation solution 10 μl pGLO plasmid solution 250 μl LB broth 100 μl cells spread on agar 227 colonies of transformantsYou have two sewage samples that you want to check for the SARS Cov 2 viral load. Whichvariable would give you a good estimate?a. High Ct valueb. Low Ct valuec. High melting temperatured. Low melting temperaturee. None of the above The DNA fragments generated during a cycle sequencing reaction are separated by sizes usingcapillary gel electrophoresis. The determination of the actual sequence is based on detection ofa. fluorescently labelled ddNTPsb. the lengths of the fragmentsc. fluorescently labelled probesd. fluorescently labelled primers.
- Entire sequence below needs to beamplified by PCR and subcloned into a plasmid vector. Which of the primersequences listed underneath is the correct reverse primer (6 marks)? Copy correctsequence into your answer. Why primer e) is not the right answer (4 marks)? 5'ATCTCTATTTAATATTTATGTCTATTTAAGCCTCATATTTAAAGACAGGGAAGAGCAGAACGGAGCCCCAGGCCTCTGTGTCCTTCCCTGCATTTCTGAGTTTCATTCTCCTGCCTGTAGCAGTGAGAAAAAGCTCCTGTCCTCCCATCCCCTGGACTGGGAGGTAGATAGGTAAATACCAAGTATTTATTACTATGACTGCTCCCCAGCCCTGGCTCTGCAATGGGCACTGGGATGAGCCGCTGTGAGCCCCTGGTCCTGAGGGTCCCCACCTGGGACCCTTGAGAGTATCAGGTCTCCCACGTGGGAGACAAGAAATCCCTGTTTAATATTTAAACAGCAGTGTTCCCCATCTGGGTCCTTGCACCCCTCACTCTGGCCTCAGCCGACTGCACAGCGGCCCCTGCATCCCCTTGGCTGTGAGGCCCCTGGACAAGCAGAGGTGGCCAGAGCTGGGAGGCATGGCCCTGGGGTCCCACGAATTTGCTGGGGAATCTCGTTTTTCTTCTTAAGACTTTTGGGACATGGTTTGACTCCCGAACATCACCGACGCGTCTCCTGCTG 3'a) 5' TTCCGGAAGAAGCTTATACGG 3'b) 5' CTGTGTTCACCTAATATTCCT 3'c) 5' CAGCAGGAGACGCGTCGGTGA 3'd) 5' AGGAATATTAGTATAATCCAC 3'e) 5' GACGCGTCGGTGATGTTCGGG 3’f) 5'…Attached is an image of EcoRI-digested plasmid samples (pBSK and pEMBL1.9); explain why the bands are found at the top, the purity of the results, and how we couple improve our results.1. a) A technologist has a 20µl sample of DNA and adds 5µl of loading dye before adding the total volume into an agarose gel. What was the original concentration of the loading dye? a. 4x b. 5x c. 6x d. 7x e. None of the above 1. b)A technologist adds 6uL of 5x loading dye to a DNA sample before adding the total volume into the agarose gel. How much DNA sample was combined with the loading dye? 12uL 16uL 20uL 24uL 28uL
- 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 & GsuIb. ScaI, PdmI & BsaXI c.ScaI, SspI & EheI7) Why are the following reagents used? Neutralizing solution (Plasmid isolation) Isopropanol (Plasmid isolation) RNase (isolation of genomic DNA)A student wanted to load .75 ug dna on agarose gel and has 4x loading buffer for sample preparation. The student has 50ul purified plasmid, finding concentration of plasmid to be 250 ng/uL The student used 10uL plasmid DNA in 50uL reaction for the restriction digest Give the volumes of restriction digest and 4x loading buffer that student would mix together and load on agarose gel.