What Genetic Disorder Is Associated with the Lack of an Enzyme

question 32

Multiple Choice

What genetic disorder is associated with the lack of an enzyme necessary for the normal metabolism of the amino acid phenylalanine?

• A) phenylketonuria (PKU)
• B) Marfan syndrome
• C) Huntington disease
• D) sickle cell disease
• E) cystic fibrosis (CF)

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Definitions:

High-Low Method

A technique used in managerial accounting to estimate fixed and variable costs associated with production.

Break-Even Point

The financial calculation where total revenues equal total expenses, resulting in no profit or loss.

Variable Costs

Costs that vary in total directly and proportionately with changes in the activity level or volume, such as materials and labor.