1) Which of the following statements about restriction endonucleases is correct? a) They are enzymes that are present in prokaryotes b) They catalyze the hydrolysis of phosphodiester linkages at specific points within the nucleotide base sequence of the DNA strands c) Both a and b are correct d) They are not present in prokaryotes. e) They have no tertiary structure
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They are part of the defense mechanism of bacteria against invading viruses. b) They do catalyze the hydrolysis of phosphodiester linkages at specific points within the nucleotide base sequence of the DNA strands. This is how they "cut" the DNA at specific Show more…
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