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DNA Structure and Replication

DNA Structure and Replication
In DNA replication, one new strand is synthesized complementary to an old (parent) strand and is referred as

mutational
discontinuous
semiconservative
antiparallel

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DNA Structure and Replication
Overwinding or overtightening of DNA during replication is caused and removed by

DNAb, DNA polymerase
DNAa, gyrase
Single stranded protein, DNAa
DNAb, gyrase

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DNA Structure and Replication
In DNA double helix, the two DNA chains are held together by

None of these
covalent bonds between the pair of bases
ionic bonds between the pair of bases
hydrogen bonds between the pair of bases

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DNA Structure and Replication
The most common liquid volumes in molecular biology are measured in

1
ml
nl
μl

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DNA Structure and Replication
DNA helicase is used to

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

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

negative pole
none of these
positive pole
will not migrate

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