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DNA Structure and Replication

DNA Structure and Replication
DNA segments capable of moving from one place in the genome to another is known as

transposons
retrovirus
moving elements
introns

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DNA Structure and Replication
DNA replication results in

one new molecule of RNA
two completely new DNA molecules
two DNA molecules such that each one contains a strand of the original
one new DNA molecules 1 old molecule

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DNA Structure and Replication
The size of a linear DNA fragment in a gel can be estimated by

fluorescence in UV light
the time it takes the gel to run
comparison with a molecular weight standard such as Hind III digested phage lambda
the sedimentation coefficient

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

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

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DNA Structure and Replication
What is the IUPAC code for an A, C, T ambiguity in a nucleic acid sequence?

H
B
S
None of these

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DNA Structure and Replication
DNA polymerases I also has

both (a) and (b)
3'-5'exonuclease activity
5'-3' endonuclease activity
5'-3' exonuclease activity

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