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DNA Structure and Replication

DNA Structure and Replication
How does ethidium bromide interact with DNA?

It intercalates between bases
It does not interact
It binds to adenine
It binds to phosphate

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

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DNA Structure and Replication
An RNA primer is synthesized by

ligase
DNA helicases
DNA topoisomerase
primase

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DNA Structure and Replication
Which polymerase is active in DNA repairing

Polymerase III
Polymerase I
none of these
Polymerase II

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DNA Structure and Replication
The chromosomal DNA complexes with

four types of histone as H1, H2A, H3 and H4
three types of histone as H1, H2A and H4
five types of histone as H1, H2A, H2B, H3 and H4
two types of histone as H1 and H4

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DNA Structure and Replication
Messelsen and Stahl model of replication was called

semi-conservative replication
Cri du Chat
dispersive replication
conservative replication

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MORE MCQ ON DNA Structure and Replication

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