The variable region limits the
antibody's specificity, otherwise known as the unknown effector function.
It<span> identifies the class or isotype of the antibody between
an anti-pollen IgM, IgE, and IgG. However, the constant domain in the light
chain does not regulate the function.</span>
The answer to this is B....
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Answer:
All connective tissue consists of three main components: fibers (elastic and collagen fibers), ground substance and cells. Not all authorities include blood or lymph as connective tissue because they lack the fiber component. All are immersed in the body water.
Explanation: