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DNA Structure and Replication

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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DNA Structure and Replication
In DNA, guanine pairs with

Adenine
Uracil
Cytosine
Thymine

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

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

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DNA Structure and Replication
Number of times the two DNA strands are interwined in circular DNA and is known as

twisting number
linking number
none of these
helix frequency

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DNA Structure and Replication
Which of the following species lack a 'classical' histone H1?

Arabidopsis thaliana
Strongylocentrotus purpuratus
Xenopus laevis
Saccharomyces cerevisiae

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DNA Structure and Replication
DNA polymerases I also has

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

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