Which Two Genera Have Members That Can Evade the Human

question 21

Multiple Choice

Which two genera have members that can evade the human immune system by frequently changing their cellular membrane surface proteins?
1) Plasmodium
2) Trichomonas
3) Paramecium
4) Trypanosoma

• A)1 and 2
• B)1 and 4
• C)2 and 3
• D)2 and 4

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Definitions:

Labor Hours

The total number of hours worked by all employees in a specific time period.

Marginal Product

The additional output that is gained by employing one more unit of a particular input, holding all other inputs constant.

Total Output

The quantity of goods and services produced by a firm or economy over a specific period.

Labor Employment

The act of engaging individuals to perform tasks for wages or salary.