9. The process of DNA replication creates aparticular problem for replicating the ends of linearchromosomes.
a) Describe why the DNA replication machinery has difficultyreplicating DNA ends.
b) Telomerase has been identified as an enzyme that can reversethe outcome of end replication.
Describe the near-universal mammalian chromosome telomere sequenceand how telomerase solves the problem of end replication.
