A Defect in the Enzyme That Catalyzes the Formation of Melanin

question 44

Multiple Choice

A defect in the enzyme that catalyzes the formation of melanin from DOPA results in

• A)phenylketonuriA.
• B)albinism.
• C)lactose intolerance.
• D)maple-syrup disease.

---

Definitions:

Dollar Sales

The total value of sales measured in monetary terms over a specific period of time.

Pretax Income

The amount of income earned by a business before taxes are deducted.

Fixed Costs

Expenses that do not change with changes in the volume of production or sales, such as rent, salaries, and insurance.

Variable Costs

Costs that vary directly with the level of production or sales activity.