Identify the role of deoxyribonucleoside triphosphates in DNA replication? (
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Shift 05/06/2023 12:00 PM - 2:00 PM
A
To provide energy for the process of replication
B
To bind to sigma factor
C
To activate the enzyme ligase
D
To initiate replication fork
Correct Answer
To provide energy for the process of replication
Detailed Explanation
Energetically replication is a very expensive process. 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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