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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Definitions:

Coupon Bond

A type of debt security that pays the holder periodic interest payments based on the coupon rate until maturity, at which point the principal is repaid.

Yield To Maturity

The total return anticipated on a bond if the bond is held until its maturity date, accounting for interest payments and repayment of principal.

Par Value

The face value of a bond or stock as stated by the issuer, often used in the context of bonds and preferred stock.

Coupon Rate

The annual percentage yield of a bond relative to its nominal value.