IgA Is Typically Found as a Dimer in High Levels

question 4

Multiple Choice

IgA is typically found as a dimer in high levels of secretions such as milk, tears, and saliva.What is the primary function of IgA in secretions?

• A)To alert plasma cells of an invading pathogen
• B)To neutralize toxins and pathogens
• C)To secrete nonspecific enzymes such as lysozyme
• D)To stimulate the growth of normal microbiota (normal flora) species
• E)To trigger apoptosis in infected mucosal cells

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Definitions:

Voluntary Winding Up

A process initiated by a company's shareholders to dissolve the company in an orderly manner, liquidating assets to pay creditors and distributing any remaining assets.

Company's Members

Individuals or entities that have an ownership interest in a corporation, commonly referred to as shareholders or stockholders.

ASIC

The Australian Securities and Investments Commission; an independent Australian government body that acts as the corporate regulator.

Liquidation Surplus

The amount of money remaining after all liabilities and obligations of a liquidating entity have been settled, which is then distributed to shareholders.