The Enzyme Telomerase Solves the Problem of Replication at the Ends

question 23

Multiple Choice

The enzyme telomerase solves the problem of replication at the ends of linear chromosomes by which method?

• A) adding a single 5' cap structure that resists degradation by nucleases
• B) causing specific double-strand DNA breaks that result in blunt ends on both strands
• C) causing linear ends of the newly replicated DNA to circularize
• D) adding numerous short DNA sequences such as TTAGGG, which form a hairpin turn
• E) adding numerous GC pairs which resist hydrolysis and maintain chromosome integrity

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