Multiple Choice
In bacterial DNA replication, which DNA polymerase has 3′→5′ exonuclease proofreading activity?
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8. DNA Replication
Overview of DNA Replication
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In the context of DNA replication, what is the primary purpose of DNA polymerase?
A
To unwind the DNA double helix by breaking hydrogen bonds between base pairs
B
To lay down short RNA primers to provide a starting point for DNA synthesis
C
To join Okazaki fragments by forming phosphodiester bonds between adjacent DNA segments
D
To synthesize a new DNA strand by adding nucleotides to the end of a growing strand using a DNA template
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