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DNA Structure and Replication

DNA Structure and Replication
DNAs when charged, migrate in a gel towards the

none of these
negative pole
will not migrate
positive pole

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DNA Structure and Replication
Proteins which help to open the double helix for DNA synthesis are

single stranded binding proteins
DNA topoisomerase
ligase
DNA helicases

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DNA Structure and Replication
DNA helicase is used to

break a phosphodiester bond in DNA strand
interact the double helix closely
unwind the double helix
None of these

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DNA Structure and Replication
Which of the following would not contain DNA?

Mold
Bacteria
Glass crystals
Yeast

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DNA Structure and Replication
The role of primase is to

cleave and unwinds short sections of DNA ahead of the replication fork
proofread base pairing
synthesize an RNA primer to begin the elongation process
dismantle RNA primer

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DNA Structure and Replication
DNA replication takes place in which direction?

3' to 5'
5 'to 3'
Randomly
Vary from organism to organism

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