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DNA Structure and Replication

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

conservative replication
Cri du Chat
semi-conservative replication
dispersive replication

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DNA Structure and Replication
Deoxyribonucleoside triphosphates, being need in the chain termination methods are

dTTP
dGTP and dCTP
all of these
dATP

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DNA Structure and Replication
In DNA double helix, the two DNA chains are held together by

None of these
hydrogen bonds between the pair of bases
ionic bonds between the pair of bases
covalent bonds between the pair of bases

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

DNA topoisomerase
single stranded binding proteins
DNA helicases
ligase

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DNA Structure and Replication
Overwinding or overtightening of DNA during replication is caused and removed by

DNAb, gyrase
DNAb, DNA polymerase
DNAa, gyrase
Single stranded protein, DNAa

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DNA Structure and Replication
Which of the following enzyme adds complementary bases during replication?

Replicase
Synthesase
Polymerase
Helicase

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MORE MCQ ON DNA Structure and Replication

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