The Third Line of Defense Is Called (Adaptive/clonal/self-Tolerant) Because It

question 3

Short Answer

The third line of defense is called (adaptive/clonal/self-tolerant) because it does not normally respond to autoantigens.

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Definitions:

Debenture

An unsecured bond.

Sinking Fund

A savings fund accumulated over time for the purpose of paying off debt or replacing a large expense in the future.

Yield to Maturity

The total return anticipated on a bond if the bond is held until its maturity date.

Coupon Rate

The interest rate stated on a bond or fixed-income security, representing the percentage of its face value paid to the holder annually.