Of All IgG Subclasses,IgG3 Has the Largest Hinge Region,making It

question 23

Multiple Choice

Of all IgG subclasses,IgG3 has the largest hinge region,making it:

• A) the only subclass capable of crossing the placenta.
• B) the subclass with the highest number of antigen binding sites.
• C) the most efficient subclass for activating complement.
• D) incapable of opsonization.

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Definitions:

Late Pliocene

A geological time period that occurred about 3.6 to 2.58 million years ago, just before the Pleistocene, and is characterized by significant climatic changes that led to the current ice age.

Human Ancestors

Human ancestors refer to the earlier species and forms from which modern humans (Homo sapiens) evolved, highlighting the evolutionary pathway of human lineage.

Africa

The second largest continent in the world, known for its diverse cultures, languages, and ecosystems.

Saurischian

A clade of dinosaurs characterized by a lizard-hipped pelvic structure, including both the carnivorous theropods and the long-necked sauropodomorphs.