If the Exchange Rate of German Marks/U

question 75

Multiple Choice

If the exchange rate of German marks/U.S.Dollars is 2.04/1, then:

• A)It takes $2.04 to buy each mark
• B)The mark is worth more than one U.S.Dollar
• C)Each mark is worth approximately 49 cents
• D)20 cents will purchase one mark

---

Definitions:

Red Blood Cells

A rephrased definition of erythrocytes; these are cells in the bloodstream that carry oxygen from the lungs to the rest of the body and return carbon dioxide for exhalation.

Myeloblasts

Immature bone marrow cells that are precursors to granulocytes, a type of white blood cell involved in immune responses.

Blood Buffer

These are systems in the blood that maintain its pH within the narrow range necessary for proper bodily function, by neutralizing acids and bases.

Regulation of pH

A process by which biological systems maintain the acidity or alkalinity (pH) within a narrow range, crucial for proper biochemical functioning and metabolic processes.