TH1 IS A MYTHICAL RESTRICTION ENZYME THAT RECOGNIZES THE SEQUENCE “THE” AND CUTS BETWEEN THE LETTERS “H” AND “E” IN THE SEQUENCE.

HOW MANY FRAGMENTS RESULT FROM CUTTING THE FOLLOWING SENTENCE WITH TH1? IN THE EARLY 1970’S, SCIENTISTS DISCOVERED THAT BACTERIA HAD ENZYMES THAT WOULD ATTACK FOREIGN DNA AND CUT THE DNA UP INTO LITTLE PIECES. IN WHAT ORDER WOULD THE FRAGMENTS APPEAR IF RUN IN A GEL ELECTROPHORESIS?

TH1 is a mythical restriction enzyme that recognizes the sequence “the” and cuts between the letters “h” and “e” in the sequence. How many fragments result from cutting the following sentence with TH1? In the early 1970’s, scientists discovered that bacteria had enzymes that would attack foreign DNA and cut the DNA up into little pieces. In what order would the fragments appear if run in a gel electrophoresis?

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