The variable portions of both heavy and light chains contain subregions that are especially variable from one antibody to another; these variable subregions account for the great diversity of antibody specificity. Such portions of both the light and heavy chains are called _________ regions.
A)hypovariable
B)hypervariable
C)hypoconstant
D)hyperconstant
E)extremovariable

Question

Quizplus · Accepted Answer

These variable regions are commonly referred to as hypervariable regions, or CDRs (complementarity-determining regions), which are responsible for recognizing and binding to specific antigens.

The Variable Portions of Both Heavy and Light Chains Contain