What Is Thought to Be the Origin of Immunoglobulins

question 74

Multiple Choice

What is thought to be the origin of immunoglobulins?

• A)They may be derived from immune system molecules in invertebrates.
• B)They may be derived from cell-adhesion receptors in invertebrates.
• C)They may be derived from cell-adhesion receptors in fish.
• D)They may be derived from cell-adhesion molecules in amphibians.
• E)They may be derived from immune system molecules in reptiles.

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Definitions:

Exporting

The selling of goods or services produced in one country to buyers in another country.

Direct Investment

An investment involving the purchase of the physical assets or a significant amount of ownership (stock) of a company in another country.

Indirect Exporting

A method of entering foreign markets by selling products through intermediaries, rather than directly to overseas customers.

Export Duties

Taxes imposed on goods shipped out of a country.