An RFLP can be created by any mutational event that cretes or deletes a restriction enzyme recognition site only in RNA only by a mutation creating a new restriction enzyme recognition site only by a basepair change within the restriction enzyme recognition site only by a deletion removing a restriction enzyme reognition site
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- For the DNA sequence shown, indicate the products of its cleavage with the following restriction endonucleases (AKA restriction enzymes):5′-ACAGCTGATTCGAATTCACGTT-3′3′-TGTCGACTAAGCTTAAGTGCAA-5′a) EcoRI (the recognition sequence and cleavage site is G↓AATTC);b) AluI (the recognition sequence and cleavage site is AG↓CT).HindIII is a restriction endonuclease that recognizes a palindrome sequence. Predict which one is the HindIII recognition site: a. AAGGTT b. AAGCTT c. AGCCGA d. AGCGCA e. AGCAGCThe recognition sequence for the restriction enzyme TaqI is T↓CGA. Indicate the products of the reaction of TaqI with the DNA sequence shown.
- Which of the following sequences, when combined with itscomplement, would be clipped by a restriction endonuclease?a. ATCGATCGTAGCTA b. AAGCTTCGAA c. GAATTC d. ACCATTGGASuppose that a geneticist discovers a new restriction enzyme in the bacterium Aeromonas ranidae. This restriction enzyme is the first to be isolated from this bacterial species. Using the standard convention for abbreviating restriction enzymes, give this new restriction enzyme a name (for help, see footnote to Table 19.1).Suppose that a geneticist discovers a new restriction enzyme in the bacterium Aeromonas ranidae. This restriction enzyme is the first to be isolated from this bacterial species. Using the standard convention for abbreviating restriction enzymes, give this new restriction enzyme a name (
- A 10 kb DNA fragment digested with the restriction endonuclease EcoRI yields fragments of 4 kb and 6 kb. When the 10 kb fragment is digested with BamHI, three fragments of 1, 3.5 and 5.5 kb are generated. Digestion with both enzymes yields four fragments of 0.5, 1, 3 and 5.5 kb. Draw the restriction map for the 10 kb fragment based on the data. Label the cut sites for the two enzymes, and the lengths between the cut sites.Assume that a plasmid is 4700 base pairs in length and has restriction sites for a given restriction enzyme at the following locations: 800, 1400, 2900, and 3600. List the fragments by size that are ! expected when the plasmid is fully digested the restriction enzyme.A molecule of double-stranded DNA that is 5 million base pairs long has a base composition that is 62% G + C. How many times, on average, are restriction sites for the following restriction enzymes likely to be present in this DNA molecule? a. BamHI (recognition sequence is GGATCC)
- Which of the following can be termed as a restriction modification system?a) Restriction endonuclease + methylaseb) DNA ligase + methylasec) Restriction endonuclease + acetylased) DNA ligase + acetylaseA molecule of double-stranded DNA that is 5 million base pairs long has a base composition that is 62% G + C. How many times, on average, are restriction sites for the following restriction enzymes likely to be present in this DNA molecule? a. HpaII (recognition sequence is CCGG)After restriction enzymes cut, they contain unpaired bases. Type II restriction enzymes leave ends that may be 5' overhanging, 3' overhanging, or blunt. In all cases each end is left with a 3' OH and a 5' phosphate. All blunt ends, and any complementary overhanging ends may be re-ligated with T4 DNA ligase, as long as at least one 5'- phosphate is present. In the tables below G^AATTC means that the end after cutting with enzyme will be: -----G 3' -----CTTAA 5' GTGCA^C means that the end will be: -----GTGCA 3' -----C 5' Which RE’s from table below have a 5’ overhang? Which ones have a 3’ Overhang? AccI GT^CGAC BamHI G^GATCC ClaI AT^CGAT NsiI ATGCA^T PstI CTGCA^G BglII A^GATCT TaqI T^CGA