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DNA Structure and Replication

DNA Structure and Replication
In DNA, guanine pairs with

Thymine
Uracil
Adenine
Cytosine

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

none of these
will not migrate
negative pole
positive pole

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DNA Structure and Replication
30 nm wide helix with five or six nucleosomes per helix is known as

kinoplast
solenoid
none of these
halonoid

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DNA Structure and Replication
DNA can be sequenced by the

chain termination procedure
chemical method
physical method
both (a) and (b)

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DNA Structure and Replication
What is the approximate percentage of repetitive DNA sequences in human DNA?

10 to 20%
20 to 30%
40 to 50%
30 to 40%

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DNA Structure and Replication
Proteins which help to open the double helix for DNA synthesis are

ligase
single stranded binding proteins
DNA topoisomerase
DNA helicases

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