DNA Sequencing, Mutation and Repair
Due to which of the following DNA repair mechanisms, one is able to distinguish newly synthesized DNA strands from older one?

New strands are methylated while old strands are not
Old strands are methylated while new strands are not
New strands are lower in molecular size
New strands do not contain cytosine bases

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DNA Sequencing, Mutation and Repair
The whole-genome shotgun sequencing approach depends primarily on

sequencing the bacterial chromosome while it is still intact
rapidly sequencing thousands of small randomly cloned fragments
methodical sequencing a few large cloned fragments of DNA
All of these

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DNA Sequencing, Mutation and Repair
The DNA sequences of rRNA genes can be used to

assess relatedness of eukaryotes but not prokaryotes
obtain a tentative identification of a new microorganism
predict the pulsed field gel pattern of a microorganism
predict whether a bacteria will be gram-positive or gram-negative

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