DNA polymerases are unable to replicate what areas of the chromosome?
A) centromeres
B) 3′ ends
C) origins of replication
D) 5′ ends

Name: DNA polymerases are unable to replicate what areas of the chromosome? A) centromeres B) 3′ ends C) origins of replication D) 5′ ends
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DNA polymerases require a 3' hydroxyl group to add nucleotides to the growing DNA strand. The 3' ends of chromosomes do not have a 3' hydroxyl group, so DNA polymerases cannot replicate them.

DNA Polymerases Are Unable to Replicate What Areas of the Chromosome