The Various Classes of Immunoglobulins Are Differentiated on the Basis

question 8

Multiple Choice

The various classes of immunoglobulins are differentiated on the basis of their

• A) asymmetry.
• B) antigen specificity.
• C) light-chain variable segments.
• D) heavy-chain constant segments.
• E) reactivity.

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Definitions:

Active Site

The region on an enzyme where substrate molecules bind and undergo a chemical reaction, crucial for the enzyme's biological function.

Oldest Seafloor

The parts of the oceanic crust that are the most aged, often farthest from mid-ocean ridges where new crust is formed.

Oceanic Trench

Deep, narrow depressions in the ocean floor, formed by the subduction of one tectonic plate beneath another.

Seismic-Reflection Profiling

A geophysical method for exploring Earth's subsurface by reflecting seismic waves off underground layers and interpreting the echoes received.