In DNA replication,
A) DNA polymerases add deoxyribonucleotides only to the 3' end of a growing strand.
B) the 3' end of the primer contains a free 3'-hydroxyl group.
C) the strand grows from the 3' end to the 5' end.
D) Both a and b
E) Both b and c

Question

Quizplus · Accepted Answer

DNA polymerases can only add nucleotides to the 3' end of a growing DNA strand, and the primer must have a free 3'-hydroxyl group for the addition of new nucleotides.

In DNA Replication