Defects in Which of the Following May Result in Elevated

question 71

Multiple Choice

Defects in which of the following may result in elevated levels of phenylalanine?

• A) deficiencies in dihydropteridine reductase
• B) deficiencies in 4a-carbinolamine dehydratase
• C) defects in the biosynthesis of tetrahydrobiopterin
• D) All of the above

---

Definitions:

Harry S. Truman

The 33rd President of the United States (1945-1953), known for implementing the Marshall Plan, leading the Cold War's initial stages, and making the decision to use atomic bombs against Japan in WWII.

World's Superpower

A state possessing dominion and significant influence globally through its economic, military, and cultural strength, notably the United States and the Soviet Union during the Cold War.

International Relations

A field of political science that studies the interactions between countries, including diplomacy, conflict, trade policies, and international organizations.

Postwar Prosperity

The economic boom experienced in many countries, especially Western nations, following the end of World War II.