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DNA Structure and Replication

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

negative pole
positive pole
none of these
will not migrate

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DNA Structure and Replication
Proteins involved in opening a replication bubble are

DNA helicases
ligase
single stranded binding proteins
DNA topoisomerase

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DNA Structure and Replication
What is the name given to the points at which a DNA helix is unwound and new strands develop?

Leading strands
Okazaki fragments
Replication forks
Replication origins

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DNA Structure and Replication
The replication of a linear DNA molecule in a eukaryotic chromosome creates a problem which is reported to be sorted out by

using RNA as a template
None of these
shortening of the double stranded replicated portion
using enzyme called telomerase

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DNA Structure and Replication
Who's X-ray work aided Watson and Crick in their discovery of the double helix?

W.H. Bragg
R. Franklin
Leaderberg
L. Pauling

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DNA Structure and Replication
Which polymerase is active in DNA repairing

none of these
Polymerase I
Polymerase II
Polymerase III

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