The Ability of One Person to Produce Over a Million

question 94

Multiple Choice

The ability of one person to produce over a million different antibody molecules does not require over a million different genes; rather, this wide range of antibody production is due to

• A) alternative splicing of exons after transcription.
• B) increased rate of mutation in the RNA molecules.
• C) DNA rearrangements.
• D) rearrangements of cytosolic proteins in the thymus cells.
• E) crossing over between the light and heavy chains of each antibody molecule during meiosis I.

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Definitions:

Variety

The range of different items, products, or choices available within a category or market.

Double Coincidence

A term from economics referring to the situation where two parties each hold an item the other wants, enabling an exchange without the need for money.

Goods And Services

Physical items that satisfy human wants (goods) and intangible benefits provided to consumers (services).

Barter

The direct exchange of goods and services without the use of money as a medium.