Which Two Genera Have Members That Can Evade the Human

question 29

Multiple Choice

Which two genera have members that can evade the human immune system by frequently changing their 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:

Variable Selling

Costs associated with selling a product that vary directly with the volume of sales.

Variable Administrative Expenses

Costs related to the administration of a business that vary with the level of activity or production.

Fixed Cost

Charges that are stable in spite of the levels of output or sales achieved, such as housing lease, salaries paid to employees, and insurance expenses.

Production Supplies

Items and materials used in the manufacturing process that are not directly incorporated into the final product.