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Q.

What role do deoxyribonucleoside triphosphates play in DNA replication?

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a

They are responsible for correcting mistakes during replication to prevent mutations.

b

In addition to acting as substrates, they also provide energy for the polymerization reaction.

c

They serve as primers for the initiation of replication.

d

They act only as substrates for the DNA polymerization reaction.

answer is C.

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Detailed Solution

Deoxyribonucleoside triphosphates serve dual purposes. In addition to acting as substrates, they provide energy for polymerisation reaction (the two terminal phosphates in a deoxynucleoside triphosphates are high-energy phosphates, same as in case of ATP)

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