Hello Im Doing Some Practice Problems For An Upcoming Exam And Would Appreciate

Hello! Im doing some practice problems for an upcoming exam and would appreciate the help!

Why are okazaki fragments required? In other words, why cant all DNA polymerase activity be continuos? Choose all that are correct

a) because DNA polymerase can only add nucleotides to an open 3″-OH group

b)Because the two daughter DNA strands must be made at the same time, to ensure two complete daughter strands are made before mitosis proceeds

c) because DNA replication is bidirectional and both directions must be completed at the same time

d) because DNA polymerase acts as a dimer, adding nucleotides to both strands at the same time

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