Which Amino Acid Can Participate in Nucleophilic Catalysis

question 54

Multiple Choice

Which amino acid can participate in nucleophilic catalysis?

• A) His
• B) Cys
• C) Tyr
• D) All of the answers are correct.
• E) None of the answers is correct.

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Definitions:

Yugoslavia

A country in Southeast Europe that existed from the end of World War I until it broke up into several independent countries in the 1990s due to a series of conflicts.

Disintegration of Empires

The process by which large empires break apart into smaller political entities, often due to internal conflicts, wars, economic problems, or the push for national independence by different ethnic or cultural groups.

Instability

A situation characterized by a lack of stability, predictability, or consistency, often leading to chaos or disorder in social, economic, or political contexts.

Truman Doctrine

A U.S. foreign policy established in 1947, asserting that the U.S. would provide economic and military aid to countries threatened by communism, marking the start of the Cold War era containment strategy.