Which of the Following Is a Reason That a New

Multiple Choice

Which of the following is a reason that a new DNA strand elongates only in the 5' to 3' direction during DNA replication?

A) DNA polymerase begins adding nucleotides at the 3' end of the template.
B) Single stranded binding protein stabilizes DNA by blocking access to the 5' end.
C) Replication must progress toward the replication fork.
D) Dehydration reactions require a free -OH group.