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Genetics 380_QUIZ3B_answer key

Genetics 380_QUIZ3B_answer key - QUIZ 3 B Answer Key Name...

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QUIZ 3 B: Answer Key Name _____________________ Section _______ True/False: worth 1 point each 1. True or False: Meselson and Stahl showed that DNA is replicated by a conservative system. 2. True or False: Hershey and Chase demonstrated that DNA, not protein, enters the bacterial cell during phage replication and that only DNA is passed on to progeny phages. 3. True or False: The single strand protruding end of a telomere can be extended by telomerase, a ribonucleotide. 4. True or False: E. coli polymerase synthesizes in the 3’ 5’ by adding nucleotides. Multiple Choice: each question is worth 2 points. 5. During gel electrophoresis what will migrate the fastest? a. cloning vectors b. the DNA dye ethidium bromide c. large DNA fragments d. DNA size markers e. small DNA fragments 6. What are Southern blots used for?
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