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DNA Structure and Replication

DNA Structure and Replication
In DNA, guanine pairs with

Uracil
Adenine
Cytosine
Thymine

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

dispersive replication
semi-conservative replication
Cri du Chat
conservative replication

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DNA Structure and Replication
Which enzyme catalyzes the elongation of DNA molecules?

DNA ligase
Primase
Helicase
DNA polymerase

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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
shortening of the double stranded replicated portion
using enzyme called telomerase
None of these

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DNA Structure and Replication
Enzymes, responsible for unraveling short segments of DNA is

DNA ligase
helicase
primase
DNA polymerase

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DNA Structure and Replication
Enzyme, responsible for proofreading base pairing is

Primase
DNA polymerase
DNA ligase
Telomerase

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