Which Class of Naturally Occurring Compounds Has One or More

question 50

Multiple Choice

Which class of naturally occurring compounds has one or more nitrogen containing heterocyclic rings and includes many compounds that have medicinal and physiological effects?

• A)analgesics
• B)alkaloids
• C)pheromones
• D)nitrosamines
• E)carcinogens

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Definitions:

Columbia River Project

A comprehensive series of public works, including dams and hydroelectric power plants, initiated to provide irrigation, flood control, and electricity generation along the Columbia River in the United States.

Public-Works Programs

Government-funded projects aimed at creating jobs and building public infrastructure like roads, schools, and hospitals.

Grand Coulee Dam

One of the largest concrete structures in the world, located on the Columbia River in Washington State, primarily built for power production and irrigation.

"Brains Trust"

A group of close advisors, academics, and economists who advised President Franklin D. Roosevelt during the New Deal.